Baintech BT-36V-AC-10A/20A delivers adjustable charging power for 36V lithium battery systems across marine, industrial and off-grid applications The variable 10A-20A output allows operators to select charging speed based on battery capacity, time constraints and available AC supply capacity. This flexibility prevents overloading smaller generators while maximizing charge speed when mains power is available. Engineered specifically for lithium chemistry (LiFePO4 and LiMn2O4), the charger delivers precise CC/CV charging profiles that extend battery lifespan and prevent the overcharge damage caused by generic lead-acid chargers. Designed for professional installations where one charger must handle different battery banks or charging scenarios. Workshop environments can charge smaller 36V tool batteries at 10A or bulk charge larger systems at 20A without investing in multiple dedicated chargers. The compact 330x150x75mm enclosure fits battery compartments, service vehicle shelving and marine electrical panels where space is limited. Key Specifications Rated output voltage: 36V DC Variable output current: 10A-20A (adjustable) Maximum output power: 720W (at 20A setting) Input voltage: 240V AC (Australian mains) Battery chemistry: LiFePO4 and LiMn2O4 lithium batteries Charging profile: CC/CV (Constant Current/Constant Voltage) Dimensions: 330mm (L) x 150mm (W) x 75mm (H) Features & Benefits Variable Output Control: Adjustable 10A-20A charging current adapts to different battery capacities and charging scenarios. Use 10A for smaller battery banks or when connected to limited generator capacity, then switch to 20A for rapid bulk charging from mains power. Lithium-Optimized Charging: Delivers precise CC/CV profiles engineered for LiFePO4 and LiMn2O4 chemistry, eliminating the float charge stage that degrades lithium cells. Prevents overcharge damage and thermal runaway risks associated with using lead-acid chargers on lithium batteries. Generator-Friendly Operation: Lower 10A setting allows charging from portable generators with limited output capacity (1200-1500W range) without overloading. Critical for remote work sites and off-grid touring where generator capacity restricts accessory loads. Compact Professional Enclosure: 330x150x75mm dimensions fit standard battery compartments, marine electrical panels and workshop shelving. Significantly smaller than multiple fixed-output chargers while delivering equivalent functionality through variable output. Workshop Versatility: Single charger handles different 36V lithium battery systems in trade and service environments. Eliminates inventory of multiple fixed-output chargers and simplifies charging infrastructure across mixed battery fleets. Maximum Power Delivery: 720W output at 20A setting provides rapid charging for larger 36V systems (200Ah+) when time constraints demand fast turnaround. Reduces downtime for commercial equipment and fleet vehicles relying on 36V lithium power. Technical Specs Model: BT-36V-AC-10A/20A Rated output voltage: 36V DC Variable output current: 10A-20A (user-adjustable) Maximum output power: 720W (at 20A) Minimum output power: 360W (at 10A) Input voltage: 240V AC (50Hz Australian mains) Battery chemistry compatibility: LiFePO4, LiMn2O4 Charging method: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage (LiFePO4): 43.2V (typical for 36V systems) Float charging: None (lithium-optimized termination) Physical dimensions: 330mm x 150mm x 75mm Compatible With / Goes Well With 36V LiFePO4 battery systems (50Ah-300Ah typical range) 36V LiMn2O4 lithium battery banks Workshop and trade 36V tool battery charging stations Industrial equipment with 36V lithium power supplies Electric vehicle 36V charging systems (golf carts, material handling) Off-grid solar battery storage (36V lithium) Marine 36V lithium house bank systems (dry installation locations) Service vehicle and fleet 36V battery charging infrastructure Caution: Verify your battery system voltage matches 36V nominal before connection. This charger is not compatible with 12V, 24V or 48V systems. Frequently Asked Questions How do I select between 10A and 20A output? The adjustment method is not specified in the supplied documentation. Contact F.A.E. for operational instructions on the variable output control mechanism (rotary dial, switch, or digital interface). What size battery bank works best with each setting? Use 10A for 36V batteries up to 100Ah (approximately 10-hour charge from empty). Use 20A for 100-300Ah banks where faster charging is needed. Larger banks benefit from 20A but will still require extended charge times. Can this run from a generator? Yes, at 10A setting the charger draws approximately 400-450W, suitable for 1500W+ portable generators. At 20A, expect 800-850W draw requiring 2000W+ generator capacity with headroom for surge. Is this suitable for marine installations? The charger includes standard electrical protection, but no waterproof rating is specified. For marine installations, mount in dry locations away from bilge water and spray. Consider the BT-36V-Waterproof model for exposed marine environments. Does this work with 12V or 24V lithium batteries? No, this charger is engineered specifically for 36V nominal systems. Using it on 12V or 24V batteries will result in severe overcharge damage. Verify your battery system voltage before connection.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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Baintech BT-1236-10A delivers professional DC-DC charging for 12V lithium auxiliary batteries in dual battery systems, marine applications and off-grid power setups. This 10A charger accepts 10-36VDC input from alternators, solar controllers or primary battery banks, converting it to precise 400W output optimized for LiFePO4 and LiMn2O4 chemistry. The waterproof, dust-proof and shockproof marine-grade enclosure withstands engine room heat, salt spray and vibration that destroys standard DC-DC chargers. Intelligent CC/CV charging eliminates the float stage that degrades lithium batteries, automatically terminating at 10% current when full charge voltage is reached. Designed for Australian marine and 4WD environments where auxiliary lithium batteries replace traditional lead-acid house banks. The wide 10-36VDC input range accepts voltage from 12V and 24V vehicle electrical systems, along with fluctuating alternator output during engine operation. C400L series technology achieves 96% efficiency, minimizing heat generation in confined battery compartments while maximizing charge current delivery during short engine run times. Key Specifications Rated output: 12V DC, 10A (400W) Input voltage range: 10-36VDC (multi-voltage compatibility) Battery chemistry: LiFePO4 and LiMn2O4 lithium batteries Charging profile: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage: 14.6V (LiFePO4), 12.6V (LiMn2O4 3-series) Charging efficiency: Up to 96% Environmental protection: Waterproof, dust-proof, shockproof (marine grade) Safety certifications: CE, RoHS, ISO9001-2015 Protection features: Over-voltage, over-temperature, over-current, short circuit Features & Benefits Multi-Voltage Input Range: 10-36VDC input accepts charging sources from 12V vehicle electrical systems, 24V truck/bus systems, solar charge controllers and generator output. Single charger handles multiple installation scenarios without voltage-specific variants. Lithium-Specific Charging Algorithm: Delivers precise 14.6V cutoff for LiFePO4 or 12.6V for LiMn2O4 chemistry, eliminating the float charge stage that causes lithium battery degradation. Prevents overcharge damage and thermal runaway risks from using lead-acid DC-DC chargers on lithium auxiliaries. Marine-Grade Environmental Protection: Waterproof, dust-proof and shockproof construction withstands engine room spray, bilge water exposure and constant vibration. Operates reliably in conditions that cause standard DC-DC chargers to fail within months. High-Efficiency Conversion: 96% efficiency reduces wasted power and heat generation during charging. Critical for confined engine rooms and battery boxes where heat buildup degrades both charger and battery performance. Intelligent Charge Termination: Automatically reduces charge current to 10% upon reaching full charge voltage, then terminates without float charging. Maximizes lithium battery cycle life by preventing the continuous low-level charging that shortens lithium cell lifespan. Alternator-Friendly Operation: Draws charging current progressively as alternator output stabilizes, preventing voltage sag and alternator overload during engine startup. Protects vehicle electrical systems while maximizing charge delivery during engine run time. Technical Specs Model: BT-1236-10A Series: C400L Rated output voltage: 12V DC Rated output current: 10A Maximum output power: 400W Input voltage range: 10-36VDC Battery chemistry compatibility: LiFePO4, LiMn2O4 Charging method: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage (LiFePO4): 14.6V CC cutoff voltage (LiMn2O4 3-series): 12.6V Charge termination: 10% current reduction at full voltage Float charging: None (lithium-optimized) Conversion efficiency: Up to 96% Technology: Advanced switching mode power supply Environmental protection: Waterproof, dust-proof, shockproof Over-voltage protection: Yes Over-temperature protection: Yes Over-current protection: Yes (CC mode) Short circuit protection: Yes Output terminal type: Universal battery system compatibility Certifications: CE, RoHS, ISO9001-2015 Compatible With / Goes Well With 12V LiFePO4 auxiliary battery systems (50Ah-200Ah typical range) 12V LiMn2O4 lithium house banks (marine applications) Dual battery systems (vehicle primary to lithium auxiliary) Marine electrical systems with lithium house banks 4WD and caravan lithium battery upgrades Solar charge controller integration (10-36VDC output) 24V truck/bus systems charging 12V auxiliary batteries Off-grid power systems with mixed voltage sources Caution: Output is 12V only. This charger cannot charge 24V or 36V auxiliary battery systems. Verify your auxiliary battery voltage before connection. Frequently Asked Questions Can this charge from a 12V alternator while the engine is running? Yes, the 10-36VDC input range accepts 12V alternator output (typically 13.5-14.5V during operation). The charger intelligently regulates current draw to avoid overloading the alternator while maximizing charge delivery to the auxiliary battery. Will this work in a 24V truck dual battery system? Yes, the 10-36VDC input range covers 24V vehicle electrical systems (typically 27-28V during alternator charging). The charger outputs regulated 12V to charge a 12V auxiliary lithium battery from the 24V primary system. Is this suitable for below-deck marine installations? Yes, the waterproof, dust-proof and shockproof construction is specifically designed for harsh marine environments including engine rooms and below-deck battery compartments exposed to spray and humidity. What happens if I accidentally connect this to a lead-acid auxiliary battery? The charger will attempt to charge lead-acid batteries but will not provide correct voltage profiles. LiFePO4 setting (14.6V) may undercharge flooded lead-acid (requires 14.4-14.8V with float). Use lithium-specific chargers only with lithium batteries. How long does it take to charge a 100Ah lithium auxiliary battery? Approximately 10-12 hours from empty with the 10A output, accounting for charging efficiency and the CV taper phase. Actual time varies with battery capacity, depth of discharge and input voltage stability.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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Baintech BT-1224-15A delivers high-current DC-DC charging for 12V lithium auxiliary batteries in dual battery systems, marine house banks and off-grid power installations. This 15A charger accepts 10-36VDC input from alternators, solar controllers or primary battery banks, converting it to precise output optimized for LiFePO4 and LiMn2O4 chemistry. The waterproof, dust-proof and shockproof marine-grade enclosure withstands engine room heat, salt spray and constant vibration that destroys standard DC-DC chargers. Intelligent CC/CV charging eliminates the float stage that degrades lithium batteries, automatically terminating at 10% current when full charge voltage is reached. Designed for Australian marine and 4WD environments where larger lithium auxiliary batteries (100-300Ah) require faster charging during limited engine run times. The wide 10-36VDC input range accepts voltage from 12V and 24V vehicle electrical systems, along with fluctuating alternator output during operation. C400L series technology achieves 96% efficiency, minimizing heat generation while maximizing the 15A charge delivery critical for replenishing house bank capacity during short transit periods between anchorages. Key Specifications Rated output: 12V DC, 15A (600W maximum) Input voltage range: 10-36VDC (multi-voltage compatibility) Battery chemistry: LiFePO4 and LiMn2O4 lithium batteries Charging profile: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage: 14.6V (LiFePO4), 12.6V (LiMn2O4 3-series) Charging efficiency: Up to 96% Environmental protection: Waterproof, dust-proof, shockproof (marine grade) Safety certifications: CE, RoHS, ISO9001-2015 Protection features: Over-voltage, over-temperature, over-current, short circuit Features & Benefits High-Current 15A Output: Delivers 50% more charging current than 10A models, reducing charge times for larger auxiliary battery banks. Critical for marine applications where engine run time is limited and house bank capacity (150-300Ah) must be replenished quickly between anchorages. Multi-Voltage Input Range: 10-36VDC input accepts charging sources from 12V vehicle electrical systems, 24V truck/bus systems, solar charge controllers and generator output. Single charger handles multiple installation scenarios without voltage-specific variants. Lithium-Specific Charging Algorithm: Delivers precise 14.6V cutoff for LiFePO4 or 12.6V for LiMn2O4 chemistry, eliminating the float charge stage that causes lithium battery degradation. Prevents overcharge damage and thermal runaway risks from using lead-acid DC-DC chargers on lithium auxiliaries. Marine-Grade Environmental Protection: Waterproof, dust-proof and shockproof construction withstands engine room spray, bilge water exposure and constant vibration. Operates reliably in conditions that cause standard DC-DC chargers to fail within months of marine installation. High-Efficiency Conversion: 96% efficiency reduces wasted power and heat generation during the high-current charging cycle. Critical for confined engine rooms and battery boxes where 15A charging produces significant heat that must be managed without active cooling. Intelligent Charge Termination: Automatically reduces charge current to 10% upon reaching full charge voltage, then terminates without float charging. Maximizes lithium battery cycle life by preventing the continuous low-level charging that shortens lithium cell lifespan in always-connected dual battery systems. Technical Specs Model: BT-1224-15A Series: C400L Rated output voltage: 12V DC Rated output current: 15A Maximum output power: 600W (15A x 12V = 180W nominal, up to 600W during bulk charge phase) Input voltage range: 10-36VDC Battery chemistry compatibility: LiFePO4, LiMn2O4 Charging method: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage (LiFePO4): 14.6V CC cutoff voltage (LiMn2O4 3-series): 12.6V Charge termination: 10% current reduction at full voltage Float charging: None (lithium-optimized) Conversion efficiency: Up to 96% Technology: Advanced switching mode power supply Environmental protection: Waterproof, dust-proof, shockproof Over-voltage protection: Yes Over-temperature protection: Yes Over-current protection: Yes (CC mode) Short circuit protection: Yes Output terminal type: Universal battery system compatibility Certifications: CE, RoHS, ISO9001-2015 Compatible With / Goes Well With 12V LiFePO4 auxiliary battery systems (100Ah-300Ah optimal range) 12V LiMn2O4 lithium house banks (marine applications) High-capacity dual battery systems (vehicle primary to lithium auxiliary) Marine electrical systems with lithium house banks (150Ah+) 4WD and caravan lithium battery upgrades (larger capacity installations) Solar charge controller integration (10-36VDC output) 24V truck/bus systems charging 12V auxiliary batteries Off-grid power systems requiring fast charge capability Caution: Output is 12V only. This charger cannot charge 24V or 36V auxiliary battery systems. Verify your auxiliary battery voltage and alternator capacity before connection. How much faster does 15A charge compared to 10A models? Approximately 50% faster for the same battery capacity. A 150Ah lithium auxiliary battery requires about 10-12 hours with 10A charging versus 7-8 hours with 15A, accounting for charge curve tapering and efficiency. Can my alternator handle the 15A draw from this charger? Most modern 12V alternators (80A+) handle 15A auxiliary charging without issues. The charger draws progressively as alternator output stabilizes, typically pulling 18-20A from the primary battery during peak charge. Verify your alternator capacity before installation. Will this work in a 24V truck dual battery system? Yes, the 10-36VDC input range covers 24V vehicle electrical systems (typically 27-28V during alternator charging). The charger outputs regulated 12V to charge a 12V auxiliary lithium battery from the 24V primary system. Is this suitable for below-deck marine installations? Yes, the waterproof, dust-proof and shockproof construction is specifically designed for harsh marine environments including engine rooms and below-deck battery compartments exposed to spray and humidity. Does the higher current create more heat in confined spaces? The 96% efficiency minimizes heat generation, but 15A charging produces more thermal output than 10A models. Ensure adequate ventilation in battery compartments and avoid mounting directly against flammable materials. The over-temperature protection will reduce output if thermal limits are reached.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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Baintech BT-1212-30A delivers professional high-current DC-DC charging for large 12V lithium auxiliary batteries in marine, 4WD and commercial vehicle applications This 30A charger accepts 10-36VDC input from alternators, solar controllers or primary battery banks, converting it to precise output optimized for LiFePO4 and LiMn2O4 chemistry. The waterproof, dust-proof and shockproof marine-grade enclosure withstands engine room heat, salt spray and constant vibration, while LED status indicators provide instant charging state feedback. Intelligent CC/CV charging eliminates the float stage that degrades lithium batteries, automatically terminating at 10% current when full charge voltage is reached. Designed for Australian marine and expedition 4WD environments where large lithium house banks (200-500Ah) require rapid charging during limited engine run times. The wide 10-36VDC input range accepts voltage from 12V and 24V vehicle electrical systems, along with fluctuating alternator output. C400L series technology achieves 96% efficiency while natural cooling eliminates fan noise and mechanical failure points. The compact, lightweight design fits tight engine room spaces while the 2-year warranty provides confidence for critical electrical system installations. Key Specifications Rated output: 12V DC, 30A (maximum 440W) Input voltage range: 10-36VDC (multi-voltage compatibility) Battery chemistry: LiFePO4 and LiMn2O4 lithium batteries Charging profile: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage: 14.6V (LiFePO4), 12.6V (LiMn2O4 3-series) Charging efficiency: Up to 96% Environmental protection: Waterproof, dust-proof, shockproof (marine grade) Cooling method: Natural convection (fanless design) Status indicator: LED charging state display Warranty: 2 years limited warranty Safety certifications: CE, RoHS, ISO9001-2015 Protection features: Over-voltage, over-temperature, over-current, short circuit Features & Benefits Professional 30A Output: Delivers double the charging current of 15A models, dramatically reducing charge times for large auxiliary battery banks. Essential for marine liveaboard setups and expedition vehicles where 200-500Ah lithium house banks must be replenished quickly during short engine run times between anchorages or remote campsites. LED Charging State Indicator: Visual feedback shows charging status at a glance without requiring external monitoring equipment. Critical for confirming charge initiation after engine start and monitoring charge completion in remote installations where battery monitors aren't fitted. Natural Convection Cooling: Fanless design eliminates mechanical failure points and noise pollution in living spaces. The compact, lightweight construction dissipates heat through the marine-grade enclosure without requiring forced air cooling that draws dust and moisture into electronics. Multi-Voltage Input Range: 10-36VDC input accepts charging sources from 12V vehicle electrical systems, 24V truck/bus systems, solar charge controllers and generator output. Single charger handles multiple installation scenarios without voltage-specific variants. Lithium-Specific Charging Algorithm: Delivers precise 14.6V cutoff for LiFePO4 or 12.6V for LiMn2O4 chemistry, eliminating the float charge stage that causes lithium battery degradation. Prevents overcharge damage and thermal runaway risks from using lead-acid DC-DC chargers on lithium auxiliaries. Marine-Grade Environmental Protection: Waterproof, dust-proof and shockproof construction withstands engine room spray, bilge water exposure and constant vibration. Operates reliably in conditions that cause standard DC-DC chargers to fail within months of marine installation. 2-Year Warranty Coverage: Manufacturer-backed warranty provides confidence for critical electrical system installations where charger failure could strand vessels or vehicles in remote locations. Technical Specs Model: BT-1212-30A Series: C400L Rated output voltage: 12V DC Rated output current: 30A Maximum output power: 440W (30A x 14.6V during bulk charge) Input voltage range: 10-36VDC Battery chemistry compatibility: LiFePO4, LiMn2O4 Charging method: CC/CV (Constant Current/Constant Voltage) CC cutoff voltage (LiFePO4): 14.6V CC cutoff voltage (LiMn2O4 3-series): 12.6V Charge termination: 10% current reduction at full voltage Float charging: None (lithium-optimized) Conversion efficiency: Up to 96% Technology: Advanced switching mode power supply Cooling system: Natural convection (fanless) Status indicator: LED display showing charging state Environmental protection: Waterproof, dust-proof, shockproof Over-voltage protection: Yes Over-temperature protection: Yes Over-current protection: Yes (CC mode) Short circuit protection: Yes Output terminal type: Universal battery system compatibility Certifications: CE, RoHS, ISO9001-2015 Warranty period: 2 years limited warranty Compatible With / Goes Well With 12V LiFePO4 auxiliary battery systems (200Ah-500Ah optimal range) 12V LiMn2O4 lithium house banks (large marine installations) High-capacity dual battery systems (expedition vehicles) Marine electrical systems with lithium house banks (200Ah+) 4WD and expedition caravan lithium battery systems Solar charge controller integration (10-36VDC output) 24V truck/commercial vehicle systems charging 12V auxiliaries Off-grid power systems requiring rapid charge capability High-output alternators (100A+ recommended) Caution: Output is 12V only. This charger cannot charge 24V or 36V auxiliary battery systems. Verify your auxiliary battery voltage and alternator capacity (minimum 100A recommended) before connection. Frequently Asked Questions Can my alternator handle the 30A charging current? You'll need a minimum 100A alternator for reliable 30A auxiliary charging. The charger draws approximately 35-40A from the primary battery during peak charge, so verify your alternator has sufficient capacity beyond vehicle electrical loads before installation. How much faster is 30A compared to 15A charging? Approximately twice as fast for the same battery capacity. A 200Ah lithium auxiliary battery requires about 14-16 hours with 15A charging versus 7-8 hours with 30A, accounting for charge curve tapering and efficiency. Will 30A charging generate excessive heat in engine rooms? The 96% efficiency and natural convection cooling manage heat effectively, but 30A charging produces significant thermal output. Ensure adequate ventilation around the charger and avoid mounting in sealed compartments. The over-temperature protection will reduce output if thermal limits are reached. Does this work with 24V truck electrical systems? Yes, the 10-36VDC input range covers 24V vehicle electrical systems (typically 27-28V during alternator charging). The charger outputs regulated 12V to charge a 12V auxiliary lithium battery from the 24V primary system. What do the LED indicators show? The LED display indicates charging state, though specific colour codes or patterns are not detailed in the supplied documentation. Contact F.A.E. for LED indicator interpretation guide specific to this model. Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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Baintech BT-1212-15A delivers reliable DC-DC charging for 12V lithium auxiliary batteries in dual battery systems, marine house banks and 4WD touring setups. This 15A charger accepts DC input from vehicle alternators or primary battery banks, converting it to precise output optimized for lithium chemistry. The waterproof, dust-proof and shockproof marine-grade enclosure mounts in almost any location, from engine rooms to under-seat battery compartments. Compact and lightweight construction fits tight installation spaces while imported high-reliability capacitors ensure consistent performance across Australia's extreme temperature and vibration conditions. Designed for marine and off-road environments where auxiliary lithium batteries (100-200Ah) require fast charging during limited engine run times. The non-isolated design delivers efficient power conversion while comprehensive protection circuits safeguard against over-voltage, low voltage, over-temperature, overload and short circuits. Backed by a 2-year limited warranty, this charger provides confidence for critical dual battery installations where charging system failure could compromise safety in remote locations. Key Specifications Rated output: 12V DC, 15A Input type: DC (non-isolated input/output) Battery chemistry: Lithium (LiFePO4 and LiMn2O4 optimized) Environmental protection: Waterproof, dust-proof, shockproof (marine grade) Cooling method: Natural convection (compact, lightweight design) Component quality: Imported high-reliability capacitors Warranty: 2 years limited warranty Safety certifications: CE, RoHS Protection features: Over-voltage, low voltage, over-temperature, overload, short circuit Features & Benefits Versatile Mounting Options: Compact, lightweight design with waterproof construction mounts in almost any location including engine rooms, battery compartments, under seats and external caravan boxes. Eliminates installation constraints that limit charger placement in space-restricted builds. High-Reliability Components: Imported capacitors deliver consistent performance under Australian heat, vibration and voltage fluctuations. Critical for marine and off-road applications where component failure in remote locations creates safety risks and expensive recovery operations. Comprehensive Protection Suite: Five-layer protection against over-voltage, low voltage, over-temperature, overload and short circuits safeguards both charger and battery investment. Prevents damage from alternator voltage spikes, deep primary battery discharge and electrical system faults. Marine-Grade Environmental Protection: Waterproof, dust-proof and shockproof construction withstands engine room spray, bilge water exposure and constant vibration. Operates reliably in conditions that cause standard DC-DC chargers to corrode or fail within the first season. Non-Isolated Design Efficiency: Direct electrical connection between input and output delivers efficient power conversion with minimal heat generation. Suitable for applications where input and output share common negative (ground) connections, typical in most vehicle dual battery systems. 2-Year Warranty Coverage: Manufacturer-backed warranty provides confidence for critical electrical system installations. Demonstrates manufacturer commitment to product reliability in harsh Australian marine and off-road environments. Technical Specs Model: BT-1212-15A Rated output voltage: 12V DC Rated output current: 15A Maximum output power: Not specified (approximately 180-220W depending on charge stage) Input voltage range: Not specified (typical 12V DC systems) Input/output configuration: Non-isolated (common ground) Battery chemistry compatibility: Lithium (LiFePO4, LiMn2O4) Charging method: Not specified (likely CC/CV for lithium) Environmental protection: Waterproof, dust-proof, shockproof Mounting: Universal (mounts in almost any location) Construction: Compact and lightweight Component specification: Imported high-reliability capacitors Over-voltage protection: Yes Low voltage protection: Yes (prevents deep discharge of primary battery) Over-temperature protection: Yes Overload protection: Yes Short circuit protection: Yes Certifications: CE, RoHS Warranty period: 2 years limited warranty Compatible With / Goes Well With 12V LiFePO4 auxiliary battery systems (75Ah-200Ah optimal range) 12V LiMn2O4 lithium house banks Dual battery systems in 4WD vehicles, utes and wagons Marine electrical systems with 12V lithium auxiliaries (dry mounting locations) Caravan and camper trailer battery systems Vehicle-based solar charging integration Trade and commercial vehicle auxiliary power systems Off-grid touring and expedition electrical setups Caution: Non-isolated design requires common ground between input and output. Verify your system configuration before installation. Output is 12V only and optimized for lithium chemistry. Frequently Asked Questions What does "non-isolated" mean for installation? Non-isolated means the input negative and output negative share a common ground connection. This is standard for most vehicle dual battery systems where both batteries share the chassis ground. Do not use in applications requiring electrical isolation between input and output circuits. Can this charge from a 12V alternator while driving? Yes, this is designed for alternator-based charging in 12V vehicle electrical systems. The charger regulates current draw to protect the alternator while maximizing charge delivery to the auxiliary lithium battery during engine operation. Where can I mount this charger? The waterproof, dust-proof construction allows mounting in engine rooms, battery boxes, under seats, external caravan compartments and most other locations. Ensure adequate ventilation around the unit and avoid sealing in completely enclosed spaces. Does this work with lead-acid auxiliary batteries? This charger is optimized for lithium chemistry (LiFePO4 and LiMn2O4). While it may charge lead-acid batteries, voltage profiles may not match lead-acid requirements. Use lithium-specific chargers only with lithium batteries for optimal performance and safety. What is the low voltage protection for? Low voltage protection prevents the charger from draining your primary (starter) battery below safe levels. When primary battery voltage drops too low, the charger reduces or stops auxiliary charging to preserve starting capacity. Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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Baintech SF50634 battery master switch provides 3-pole electrical isolation for marine, 4WD and caravan battery systems This contour-mounted switch disconnects positive, negative and auxiliary circuits simultaneously, delivering complete system isolation during storage, maintenance or emergency shutdown scenarios. The 3-pole configuration suits dual battery installations where both starter and auxiliary batteries require simultaneous disconnection, along with marine applications where bilge pumps or emergency circuits need isolation control separate from primary systems. Designed for Australian marine and off-road environments where battery drain during storage periods shortens battery lifespan and creates starting failures. The master switch eliminates parasitic draw from alarm systems, stereos, GPS units and other accessories that slowly discharge batteries over weeks or months of storage. Contour mounting style integrates flush with console or bulkhead surfaces for clean installation without protruding handles that snag clothing or create injury hazards in confined spaces. Key Specifications Pole configuration: 3-pole (triple circuit isolation) Mounting style: Contour mount (flush installation) Application: Battery isolation and master disconnect Construction: Marine-grade materials (corrosion-resistant) Circuit capacity: Not specified Voltage rating: Not specified (likely 12V/24V marine systems) Features & Benefits 3-Pole Circuit Control: Isolates three separate circuits simultaneously, supporting dual battery systems with auxiliary circuit isolation or marine installations with emergency circuit separation. Provides more comprehensive shutdown control than single-pole switches that disconnect positive only. Contour Flush Mounting: Integrates flush with console, bulkhead or panel surfaces without protruding handles. Eliminates snag hazards in cockpits, vehicle cabins and tight passages where traditional rotary switch handles create injury risks and obstruct movement. Complete System Isolation: Disconnects all circuits to eliminate parasitic battery drain during storage periods. Prevents dead batteries from alarm systems, clock memories, ECU standby circuits and other accessories that slowly discharge batteries over weeks of non-use. Marine-Grade Construction: Corrosion-resistant materials withstand salt spray, bilge water exposure and coastal humidity that destroys standard automotive switches. Maintains reliable switching operation across seasons of marine or coastal vehicle use. Emergency Shutdown Capability: Provides rapid, complete electrical system isolation during emergencies including electrical fires, water ingress or collision scenarios. Single switch operation disconnects all circuits faster than individual component shutdown procedures. Dual Battery System Integration: Three poles support starter battery positive/negative isolation plus auxiliary battery circuit control in dual battery installations. Allows selective system shutdown configurations in complex electrical architectures. Technical Specs Model: SF50634 Pole configuration: 3-pole Mounting type: Contour mount (flush installation) Switch type: Battery master switch/isolator Compatible With / Goes Well With Marine electrical systems (single and dual battery configurations) 4WD dual battery systems requiring complete isolation Caravan and motorhome battery banks Boat battery systems with emergency circuit separation Marine engine rooms and helm console installations Vehicle storage and maintenance electrical control Emergency shutdown systems Parasitic draw elimination in stored vehicles and vessels Caution: Verify current rating, voltage compatibility and mounting dimensions before purchase. Insufficient current rating can cause switch failure and fire hazards. Ensure circuits controlled by this switch don't include safety-critical systems requiring continuous power (automatic bilge pumps, fire suppression). Frequently Asked Questions What does 3-pole mean for battery switching? Three-pole switches control three separate circuits simultaneously. In dual battery systems, this typically isolates starter positive, starter negative and auxiliary circuits with one switch operation. This provides more comprehensive control than 2-pole switches that may leave ground connections active. What is contour mounting? Contour mounting installs flush with panel surfaces without protruding handles. The switch mechanism sits behind the panel with only the operating control visible from the front, creating clean appearance and eliminating snag hazards compared to traditional rotary battery switches. Can this handle high-current starter motor loads? Current ratings are not specified. Battery master switches typically handle continuous accessory loads but may not be rated for sustained starter motor cranking current (200-400A). Verify current specifications match your application before purchase, especially for high-load circuits. Does this replace the battery isolator in dual battery systems? No, battery isolators manage charging between multiple batteries while running. Master switches provide manual ON/OFF control for storage, maintenance and emergencies. Both components serve different functions in dual battery systems. Can I leave this in the OFF position during boat storage? Yes, that's the primary function. The OFF position isolates all circuits to eliminate parasitic battery drain during storage periods, preventing dead batteries when returning to the vessel after weeks or months.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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BAINTECH BTBLMON Bluetooth Battery Monitor with 500 Amp Shunt - Wireless Battery Monitoring System for 4WD, Caravan, Marine & Off-Grid Applications Take complete control of your battery system with the BAINTECH BTBLMON Bluetooth Battery Monitor with 500 Amp Shunt — a professional-grade wireless battery monitoring solution that delivers real-time battery data directly to your smartphone or tablet. This intelligent monitoring system features a precision 500 amp shunt for accurate current measurement across high-power electrical systems including dual battery setups, large solar arrays, and inverter circuits — provides comprehensive battery data including state of charge, voltage, current flow, consumed amp-hours, remaining capacity, and time to empty via intuitive Bluetooth app interface — eliminates the need for hardwired display panels by transmitting all data wirelessly to iOS and Android devices within 10 meters range — features 500 amp continuous measurement capacity suitable for demanding applications including large inverters, multiple solar panels, high-draw accessories, and commercial electrical systems — includes precision voltage monitoring accurate to 0.01V for reliable battery health assessment and charge cycle optimization — and delivers Baintech's proven reliability for accurate long-term battery monitoring in harsh Australian touring environments. Perfect for serious 4WD adventurers, grey nomads with complex electrical systems, marine operators, off-grid installations, and anyone demanding precise battery management data to maximize battery lifespan, prevent over-discharge, and optimize charging efficiency, the BAINTECH Bluetooth Battery Monitor transforms battery management from guesswork into data-driven precision. Product Overview The BAINTECH BTBLMON Bluetooth Battery Monitor represents modern battery management technology, replacing bulky hardwired display panels with wireless smartphone connectivity that provides comprehensive battery system data anywhere within Bluetooth range. At the heart of this monitoring system is a precision 500 amp shunt — a calibrated current-sensing resistor that measures every amp flowing into and out of your battery with exceptional accuracy. This continuous current monitoring, combined with precise voltage measurement, enables sophisticated battery state calculations including true state of charge percentage, consumed amp-hours since full charge, remaining capacity, estimated time to empty under current load, and historical data tracking for battery health assessment. The wireless Bluetooth connectivity revolutionizes battery monitoring by eliminating cable runs, allowing display-free installations that preserve clean dashboard aesthetics, and enabling multiple users to simultaneously view battery data from their personal devices without additional hardware. The 500 amp capacity handles serious electrical systems including large inverters drawing 200+ amps, multiple high-output solar arrays, heavy-duty DC-DC chargers, and commercial applications where accurate current measurement across the full load range is essential. Australian tourers with sophisticated caravan electrical systems, live-aboard boaties, off-grid solar system owners, and commercial operators choose Baintech Bluetooth battery monitors for their combination of professional-grade accuracy, wireless convenience, comprehensive data presentation, and reliable performance through extreme temperature ranges, vibration, and the electromagnetic interference environment of modern vehicles and boats. Key Features 500 Amp Continuous Measurement Capacity Features a robust 500 amp shunt capable of accurately measuring high currents in demanding electrical systems including large inverters, multiple solar charging sources, heavy accessory loads, and commercial applications. This substantial current capacity ensures accurate measurement across the full operating range without saturation or measurement errors that occur when undersized shunts encounter loads exceeding their design capacity — essential for systems regularly drawing 100+ amps or experiencing surge currents from inverter startup. Wireless Bluetooth Smartphone Connectivity Transmits comprehensive battery data wirelessly to iOS and Android smartphones and tablets within approximately 10 meter range, eliminating the need for hardwired display panels, cable runs, and dashboard-mounted screens. This wireless approach preserves clean vehicle aesthetics, allows flexible monitoring from anywhere in the vehicle or nearby camp area, enables multiple users to view battery data simultaneously, and simplifies installation by requiring only power connections at the shunt location without display wiring. Comprehensive Battery State Monitoring Provides complete battery system data including real-time state of charge percentage, instantaneous current flow (charge and discharge), battery voltage accurate to 0.01V, consumed amp-hours, remaining battery capacity, estimated time to empty under current load, and historical data for battery health assessment. This comprehensive data presentation enables informed decisions about power consumption, charging requirements, and battery replacement timing based on measurable performance degradation. Precision Current and Voltage Measurement Utilizes calibrated current sensing through the 500 amp shunt and precise voltage monitoring to deliver professional-grade measurement accuracy essential for reliable battery state calculations. The shunt-based current measurement provides true bi-directional current sensing that distinguishes charging current from discharge current, while the high-resolution voltage monitoring detects subtle voltage changes that indicate battery state of charge, charge acceptance, and cell health issues. Real-Time State of Charge Calculation Employs sophisticated coulomb-counting algorithms that track every amp-hour entering and leaving your battery system, providing accurate state of charge percentage that accounts for charging efficiency, Peukert effects, temperature compensation, and battery chemistry characteristics. This intelligent calculation delivers far more accurate state of charge information than simple voltage-based estimation, which can be misleading during charging, under load, or with modern lithium batteries. Universal Battery Chemistry Compatibility Works with all common battery types including AGM, gel, calcium, flooded lead-acid, and lithium (LiFePO4) batteries with user-configurable settings that adjust monitoring calculations for different battery chemistry characteristics. This universal compatibility makes the monitor suitable for diverse applications from traditional caravan AGM batteries through modern lithium house battery systems, with accurate state of charge calculation customized for each chemistry's unique charge/discharge curves. Historical Data and Trend Analysis Records battery performance data over time, enabling trend analysis that identifies battery degradation, charging system issues, or excessive discharge patterns before they cause system failures. This historical data capability supports informed maintenance decisions, validates battery warranty claims with documented performance history, and enables optimization of charging parameters based on actual battery behavior rather than manufacturer specifications alone. Time to Empty and Remaining Capacity Calculates estimated time to empty based on current discharge rate and remaining battery capacity, providing actionable information for power management decisions during off-grid camping. This predictive capability warns when battery reserves are insufficient for planned power consumption, enables adjustment of accessory usage to extend battery life, and helps determine when generator running or solar charging is necessary to maintain adequate reserves. Easy Smartphone App Interface Features intuitive iOS and Android apps providing clear data presentation with customizable display layouts, configurable alarms for low voltage or state of charge, graphical historical data visualization, and user-friendly setup wizards that guide installation configuration. The app interface eliminates the limited display capabilities of hardwired panels, providing rich data presentation, easy parameter adjustment, and regular firmware updates that add features without hardware changes. Professional Installation with Automotive-Grade Components Built with heavy-duty automotive-grade shunt resistor, sealed electronics resistant to moisture and dust, vibration-resistant construction, and corrosion-resistant terminals suitable for harsh marine and off-road environments. The professional construction ensures reliable long-term operation through the temperature extremes, vibration, and electromagnetic interference environment of Australian touring vehicles, caravans, and boats without measurement drift or electronic failures. Technical Specifications Specification Details Part Number BTBLMON Shunt Current Rating 500 Amps Continuous Voltage Measurement Range 9-60V DC (Typical 12V/24V Systems) Voltage Accuracy ±0.01V Current Measurement Bi-Directional (Charge/Discharge) Current Accuracy ±0.5% (Typical) Connectivity Bluetooth Wireless Bluetooth Range Approximately 10 Meters Compatible Devices iOS (iPhone/iPad) & Android Smartphones/Tablets Battery Chemistry AGM, Gel, Flooded, Calcium, Lithium (LiFePO4) State of Charge Calculation Coulomb Counting Algorithm Data Displayed Voltage, Current, SOC%, Ah Consumed, Remaining Capacity, Time to Empty Historical Data Yes (App Dependent) Alarms Configurable (Low Voltage, Low SOC, High/Low Current) Operating Temperature -20°C to +60°C Shunt Material Calibrated Resistor (Automotive Grade) Terminal Type Heavy-Duty M8 or M10 Studs (Verify Specification) Cable Requirements 10mm²+ for High Current Connections Power Consumption Low (Typically <50mA) App Features Real-Time Monitoring, Historical Data, Alarms, Configuration Suitable Applications 4WD, Caravan, Motorhome, Marine, Off-Grid Solar, Commercial Vehicles Frequently Asked Questions What's the advantage of a shunt-based monitor versus a simple battery meter? Shunt-based monitors provide true state of charge by measuring every amp entering and leaving your battery, calculating accurate capacity percentage based on actual current flow. Simple battery meters only measure voltage, which is unreliable for state of charge — a battery can show 12.4V when 80% charged or 50% charged depending on whether it's under load, recently charged, or resting. The shunt-based approach delivers accuracy within 1-2% versus voltage-based estimation that can be off by 30% or more. Can I monitor multiple batteries with one shunt? The shunt monitors the total current flowing through it, so it measures the combined state of batteries connected in parallel to the same electrical system. For dual battery systems, install the shunt on the negative cable of the battery bank you want to monitor (typically the auxiliary/house battery), ensuring all loads and charging sources for that battery flow through the shunt. You cannot monitor completely isolated battery banks with a single shunt — each requires its own monitoring system. How difficult is installation and do I need to reset the monitor when fully charged? Installation requires connecting the 500A shunt in series with your battery's negative cable (all negative current must flow through the shunt) and connecting the monitor's power and sensing wires. Initial setup requires configuring battery capacity and chemistry in the app. The monitor should be synchronized to 100% state of charge when you know the battery is fully charged (after extended solar charging or shore power) — this calibration ensures accurate state of charge tracking from that point forward. Will this work with my lithium battery management system (BMS)? Yes, the Baintech Bluetooth monitor works alongside lithium BMS systems and provides additional functionality. While the BMS protects cells from over-voltage, under-voltage, and temperature extremes, the Baintech monitor provides user-accessible state of charge data, historical trends, and current flow information that most BMS systems don't display. The monitor's lithium battery mode adjusts calculations for LiFePO4 chemistry's unique characteristics including flat voltage curve and high charge acceptance. What happens if I exceed 500 amps momentarily? The 500 amp rating is continuous, with shunts typically tolerating brief surges 50-100% above rating without damage. However, regularly exceeding rated current causes measurement inaccuracy and potential damage. If your system routinely draws over 400 amps (very large inverter loads), consider whether 500A capacity is adequate or if a higher-rated monitoring system would be more appropriate. Most caravan and 4WD systems with 2000-3000W inverters stay well within 500A capacity.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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BAINTECH BTBLUELITH12/200 Lithium Battery 12.8v 200AH Bluetooth - High-Capacity LiFePO4 Deep-Cycle Battery with Bluetooth Monitoring and 200A Continuous Discharge Power demanding applications reliably with the Baintech 12.8V 200Ah Lithium Battery—featuring advanced LiFePO4 (lithium iron phosphate) chemistry delivering superior performance and longevity over traditional lead-acid batteries, substantial 200Ah capacity providing extended runtime for large caravan house systems, boat electrical systems, and off-grid installations with high energy demands, integrated Bluetooth connectivity enabling real-time battery monitoring and management through smartphone app, intelligent Battery Management System (BMS) protecting against overcharge, over-discharge, over-current, short circuit, and temperature extremes, 200A maximum continuous discharge current suitable for powering large inverters, air conditioning, heavy-duty equipment, and multiple high-current accessories simultaneously (400A when paired), compact design with smallest footprint in market (345x190x245mm) optimizing installation space despite substantial capacity, IP67 waterproof rating providing protection against dust and water immersion suitable for marine and outdoor applications, wide operating temperature range (-20°C to +60°C) enabling year-round reliability in Australian conditions, efficient charging accepting up to 100A charge current for rapid battery recovery, A-grade prismatic cells ensuring premium quality and consistent performance, AS/NZS 3001.2:2022 compliant meeting current Australian safety standards, IEC 62619 accredited ensuring internationally recognized quality and safety, backed by comprehensive 5-year warranty providing long-term confidence, and premium high-capacity deep-cycle lithium solution for large caravans, motorhomes with air conditioning, expedition boats, off-grid cabins, solar energy storage systems, backup power installations, and mobile applications requiring substantial reliable lightweight high-performance battery power with advanced monitoring capabilities. Product Overview The Baintech 12.8V 200Ah Lithium Battery delivers professional-grade high-capacity LiFePO4 technology providing superior performance, longevity, and reliability for demanding applications requiring substantial energy storage—designed specifically for large Australian caravan installations, marine house banks, and off-grid systems where energy demands exceed capabilities of smaller batteries. LiFePO4 chemistry offers significant advantages including 3000-5000+ cycle life (versus 300-500 for lead-acid), consistent voltage delivery throughout discharge maintaining equipment performance until nearly depleted, 100% usable capacity (versus 50% for lead-acid) effectively doubling available energy, negligible self-discharge enabling long-term storage without maintenance charging, and 70% lighter weight reducing vehicle payload and improving fuel efficiency. 200Ah capacity provides substantial energy storage—2.56kWh total energy (200Ah x 12.8V) suitable for powering large caravan systems including refrigeration, air conditioning, lighting, water pumps, entertainment equipment, and multiple accessories through extended off-grid periods without recharging or enabling operation of high-demand equipment impossible with smaller batteries. Integrated Bluetooth connectivity transforms battery management—smartphone app displays real-time state of charge percentage, voltage, current (charging or discharging), individual cell voltages, temperature, cycle count, and alarm history enabling informed energy management decisions and early problem detection particularly valuable for complex systems where battery status critical to operational planning. Built-in BMS provides comprehensive protection—monitors and balances individual cell voltages maintaining optimal performance, prevents overcharge damage by disconnecting charging sources when full, protects from over-discharge by disconnecting loads at minimum voltage (10V cutoff), limits discharge current preventing damage from excessive loads or short circuits, and includes over-temperature protection shutting down battery if safe operating temperature exceeded. 200A continuous discharge capability supports substantial loads—2400W continuous at 12V enabling operation of large inverters powering air conditioning, microwaves, power tools, or multiple simultaneous high-current loads without voltage sag or performance degradation, particularly valuable for expedition vehicles, large motorhomes, or marine installations with significant electrical demands. Compact design despite substantial capacity (345x190x245mm) represents industry-smallest footprint for 200Ah lithium batteries—enables installation in standard battery boxes and confined spaces common in caravans and boats while providing double the capacity of smaller batteries. IP67 waterproof rating provides robust environmental protection—sealed construction withstands dust, dirt, and temporary water immersion (1 meter for 30 minutes) suitable for marine installations, under-vehicle mounting, outdoor applications, and harsh Australian conditions including dust, humidity, and occasional water exposure. Wide operating temperature range (-20°C to +60°C for discharge) accommodates extreme Australian conditions from alpine winter camping to outback summer heat maintaining reliable performance year-round though charging limited to 0°C to +55°C preventing lithium plating damage during cold-temperature charging. Fast charging capability accepts up to 100A charge current (0.5C rate) enabling rapid battery recovery—alternator charging through appropriate DC-DC charger, substantial solar array, or high-output mains charger can restore battery to full capacity in 2-3 hours compared to 12-20 hours for equivalent lead-acid. A-grade prismatic cells ensure premium quality—cells manufactured to highest quality standards providing consistent performance, reliable longevity, and minimal capacity degradation over service life compared to lower-grade cells exhibiting premature failures or accelerated capacity loss. AS/NZS 3001.2:2022 compliance ensures battery meets current Australian electrical safety standards for recreational vehicles and marine craft—critical for insurance, compliance certification, and safety assurance. IEC 62619 accreditation demonstrates internationally recognized quality and safety testing—batteries tested for electrical, mechanical, thermal, and environmental performance meeting stringent international standards. App-based reset button provides convenient battery reset capability—resolves minor BMS faults, clears protection triggers after fault resolution, or resets battery parameters without physical access to battery location particularly valuable for batteries installed in difficult-access locations. Five-year warranty demonstrates manufacturer confidence in battery quality and longevity—comprehensive warranty coverage protects substantial investment and provides recourse if manufacturing defects or premature failures occur within warranty period. Professional installation recommended ensuring proper BMS integration, appropriate charging equipment (high-output DC-DC charger or lithium-compatible solar controller), correct fusing and cable sizing for 200A capability, and system configuration optimized for lithium battery characteristics and high-current applications. Key Features 200Ah High-Capacity LiFePO4: Substantial 200Ah capacity provides 2.56kWh total energy suitable for extended off-grid periods with high-demand equipment. Powers typical caravan refrigerator for 4-6 days, supports air conditioning operation, multiple LED lights, water pump, entertainment equipment, and accessories without recharging. 100% usable capacity (versus 50% for lead-acid) effectively provides energy equivalent to 400Ah lead-acid battery. Double the capacity of 100-110Ah batteries enabling longer independence or operation of equipment impossible with smaller batteries. LiFePO4 chemistry delivers consistent 12.8V throughout discharge maintaining equipment performance until nearly depleted. 200A Continuous Discharge Current: Exceptional 200A maximum continuous discharge supports substantial loads and high-demand applications. Adequate for powering 2400W inverter continuously enabling air conditioning, microwaves, power tools, or multiple high-current accessories simultaneously. 400A capability when two batteries paralleled supporting 4800W loads. Higher discharge capability than standard lithium batteries (typically 100A for 200Ah capacity) enabling operation of equipment requiring brief high currents without voltage sag. BMS current limiting protects battery from damage—automatically restricts current if loads exceed rating preventing overheating or cell damage. Integrated Bluetooth Monitoring: Built-in Bluetooth enables real-time battery monitoring through smartphone app. Displays state of charge percentage, voltage, current, individual cell voltages, temperature, cycle count, and alarm history. App-based reset button provides convenient battery management and fault resolution. Remote monitoring eliminates guessing about battery condition—make informed decisions about energy usage and charging needs particularly critical for high-capacity systems where battery represents substantial investment. Early fault detection through alarm history and cell voltage monitoring prevents problems before failures occur. Intelligent Battery Management System: Comprehensive BMS protects battery and connected equipment. Cell balancing maintains optimal individual cell voltages maximizing performance and longevity particularly important for high-capacity batteries where cell imbalance causes premature capacity loss. Overcharge protection disconnects charging at 14.6V preventing damage. Over-discharge protection disconnects loads at 10V cutoff protecting cells from damage. Over-current protection limits discharge to 200A continuous (400A brief peaks or paired batteries). Short circuit protection responds instantly. Over-temperature protection monitors battery temperature shutting down if safe limits exceeded. Automatic protection reset after fault resolution. A-Grade Prismatic Cells: Premium A-grade cells ensure highest quality and consistent performance. A-grade designation indicates cells manufactured to strictest quality standards—uniform capacity, minimal internal resistance variation, consistent voltage characteristics, and reliable longevity. Superior to B-grade or lower cells exhibiting capacity variation, premature failures, or accelerated degradation. Prismatic cell format provides efficient packaging—rectangular cells maximize space utilization within battery case achieving compact dimensions despite substantial capacity. A-grade quality critical for high-capacity batteries where cell failures or degradation cause significant capacity loss affecting system performance. 100A Fast Charging Capability: Accepts up to 100A charge current (0.5C rate) enabling rapid battery recovery in 2-3 hours from 20% to 100%. Compatible with high-output DC-DC chargers (60-100A models), large solar arrays with appropriate MPPT controllers, and high-capacity mains chargers providing appropriate charging profile (14.2-14.6V). Fast charging reduces generator runtime, maximizes solar harvest during optimal sun hours, and minimizes time at powered sites. Higher charge acceptance than smaller batteries—200Ah capacity enables faster absolute charging without exceeding safe C-rate. Requires appropriate charging equipment—standard lead-acid chargers or alternator direct connection unsuitable for lithium batteries. IP67 Waterproof Rating: Sealed construction provides robust environmental protection rated IP67—complete dust protection and withstands water immersion to 1 meter for 30 minutes. Suitable for marine installations, under-vehicle mounting, outdoor applications, and harsh Australian conditions. Protects internal electronics and cells from dust, dirt, humidity, rain, and accidental water exposure. Sealed terminals prevent corrosion in marine environments. Ruggedized construction withstands vibration, shock, and mechanical stress in mobile installations particularly important for high-capacity batteries where physical size increases vulnerability to damage. Compact Design for Capacity: Industry-smallest footprint (345x190x245mm) for 200Ah lithium battery optimizes installation space. Despite substantial capacity, dimensions enable installation in standard large battery boxes and locations designed for dual lead-acid batteries. Weight approximately 22-26kg (70% lighter than equivalent 400Ah lead-acid) reduces vehicle payload substantially. Compact dimensions particularly valuable for retrofitting lithium into existing installations replacing multiple lead-acid batteries with single high-capacity lithium. Multiple batteries can parallel for massive capacity—two batteries provide 400Ah (5.12kWh), three provide 600Ah (7.68kWh) supporting off-grid cabins or extensive expedition requirements. Wide Operating Temperature Range: Discharge operation -20°C to +60°C accommodates extreme Australian conditions from alpine cold to outback heat. Maintains consistent performance across temperature range—lithium batteries less affected by temperature than lead-acid particularly important for high-capacity installations where temperature-induced capacity loss significantly impacts available energy. Charge temperature limited 0°C to +55°C preventing lithium plating damage during cold charging. BMS temperature monitoring prevents operation outside safe limits. Internal heating (if equipped on some models) enables cold-weather charging. Consider installation location—avoid direct sun exposure causing excessive temperature or locations subject to extreme cold during charging. AS/NZS 3001.2:2022 Compliance: Meets current Australian electrical safety standards for recreational vehicles and marine craft. Compliance critical for insurance coverage, vehicle compliance certification, and regulatory requirements particularly important for high-capacity installations where safety standards scrutinized more carefully. Updated standard (2022 revision) reflects current safety requirements—older batteries may not meet current standards. Compliance demonstrates appropriate testing for electrical safety, mechanical robustness, thermal management, and protection systems. Documentation available for compliance inspections or insurance requirements. IEC 62619 Accreditation: Internationally recognized safety and performance standard for lithium batteries. Comprehensive testing includes electrical performance, mechanical strength, thermal abuse testing, environmental exposure, and safety validation particularly rigorous for high-capacity batteries where energy storage increases safety risks. Accreditation demonstrates battery meets rigorous international standards beyond basic compliance. Provides confidence in battery safety and quality—accredited batteries undergo extensive testing validating safe operation under normal and fault conditions critical for high-capacity installations. 5-Year Warranty Coverage: Comprehensive warranty provides long-term confidence and investment protection particularly valuable for high-capacity batteries representing substantial financial investment. Covers manufacturing defects, premature capacity loss, BMS failures, and component defects occurring within warranty period. Warranty registration required (typically online through manufacturer website) activating coverage. Excludes damage from misuse, improper installation, incorrect charging equipment, physical damage, or operation beyond specifications. Warranty demonstrates manufacturer confidence in product quality and longevity. Substantially longer than typical lead-acid battery warranty (1-2 years) reflecting superior lithium durability. Technical Specifications SKU BTBLUELITH12/200 Product Type Lithium Battery Brand Baintech Battery Chemistry LiFePO4 (Lithium Iron Phosphate) - A-Grade Prismatic Cells Nominal Voltage 12.8V Capacity 200Ah Energy 2.56kWh (200Ah x 12.8V) Maximum Continuous Discharge 200A (400A when paired) Cut-Off Voltage 10V (BMS over-discharge protection) Charging Voltage 14.2V to 14.6V (CC/CV mode) Recommended Charge Current 100A maximum (200A for two batteries) Operating Temperature (Discharge) -20°C to +60°C Operating Temperature (Charge) 0°C to +55°C Cycle Life 3000-5000+ cycles (to 80% capacity) Self-Discharge <3% per month Bluetooth Yes - Smartphone App Monitoring Battery Management System Integrated BMS with Protection Protection Features Overcharge, Over-Discharge, Over-Current, Short Circuit, Over-Temperature Cell Grade A-Grade Prismatic Cells IP Rating IP67 (Dust and Water Resistant) Dimensions 345mm x 190mm x 245mm (L x W x H) Weight Approximately 22-26kg Terminals M8 Bolts (typical for lithium batteries) Compliance AS/NZS 3001.2:2022, IEC 62619 Warranty 5 Years Applications Large Caravans, Motorhomes with A/C, Marine House Banks, Off-Grid Cabins, Solar Storage, High-Demand Systems Frequently Asked Questions Q: What size inverter can this 200Ah battery support and for how long? A: Supports 2400W continuous inverter (200A x 12V). Runtime depends on load—2400W load runs approximately 1 hour on full battery, 1200W runs 2+ hours, 600W runs 4+ hours. Remember inverter efficiency losses (typically 10-15%) reduce actual runtime. For air conditioning (1500W typical), expect 1.5-2 hours runtime. Battery excels at high-current applications impossible with smaller batteries or lead-acid. Q: How does 200Ah lithium compare to dual lead-acid batteries in my caravan? A: 200Ah lithium provides usable energy equivalent to 400Ah lead-acid (100% versus 50% usable depth). Replaces two 200Ah lead-acid batteries while weighing 70% less and occupying less space. Voltage remains stable throughout discharge—equipment operates normally until battery depleted unlike lead-acid where voltage drop affects performance. Faster charging, longer lifespan (3000-5000 cycles versus 300-500), and no maintenance required. Initial cost higher but lower lifetime cost considering replacement frequency. Q: What charging equipment do I need for this battery? A: Requires lithium-compatible charging equipment. DC-DC charger: 60-100A models suitable (Redarc BCDC1240D, Enerdrive ePOWER, or similar). Solar: 60-100A MPPT controller handles 750-1200W solar array. Mains: 40-100A lithium charger for powered site charging. All chargers must provide lithium/LiFePO4 profile (14.2-14.6V). Standard lead-acid chargers unsuitable—may undercharge or damage battery. High charge current capability (100A) enables rapid recovery but requires appropriate equipment. Q: Can I connect multiple 200Ah batteries in parallel and what capacity would that provide? A: Yes, can parallel multiple batteries for massive capacity. Two batteries provide 400Ah (5.12kWh), three provide 600Ah (7.68kWh), four provide 800Ah (10.24kWh) suitable for off-grid cabins or extended expedition requirements. Discharge current also increases—two batteries support 400A maximum. Use identical batteries (same model, age, capacity). Connect with heavy cables (minimum 10mm² recommended, 16mm² preferred) and proper fusing on each battery. BMS in each battery provides independent protection. Bluetooth monitors each battery individually. Q: Is this battery suitable for running caravan air conditioning off-grid? A: Yes, excellent for air conditioning applications. Typical caravan A/C draws 1500W (125A at 12V through inverter) requiring high discharge capability—200A continuous rating provides adequate margin. Runtime approximately 1.5-2 hours per full battery. Consider pairing two batteries for 400Ah total providing 3-4 hours A/C runtime or enabling simultaneous A/C operation with other equipment. Requires 2000W+ inverter. Fast charging (100A) enables rapid battery recovery from solar during day for evening A/C use.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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BAINTECH BTBLUELITH12/300 Lithium Battery 12.8v 300AH Bluetooth - Premium High-Capacity LiFePO4 Deep-Cycle Battery with Bluetooth Monitoring and 250A Continuous Discharge Power the most demanding applications reliably with the Baintech 12.8V 300Ah Lithium Battery—featuring advanced LiFePO4 (lithium iron phosphate) chemistry delivering superior performance and longevity over traditional lead-acid batteries, massive 300Ah capacity providing extended runtime for large caravan house systems, expedition boats, off-grid installations, and high-demand applications requiring substantial energy storage, integrated Bluetooth connectivity enabling real-time battery monitoring and management through smartphone app, intelligent Battery Management System (BMS) protecting against overcharge, over-discharge, over-current, short circuit, and temperature extremes, exceptional 250A maximum continuous discharge current suitable for powering large inverters, air conditioning, heavy-duty equipment, and multiple high-current accessories simultaneously (500A when paired), compact design with smallest footprint in market (345x190x245mm) maximizing capacity within standard installation space, IP67 waterproof rating providing protection against dust and water immersion suitable for marine and outdoor applications, wide operating temperature range (-20°C to +60°C) enabling year-round reliability in Australian conditions, efficient charging accepting up to 150A charge current for rapid battery recovery, AS/NZS 3001.2:2022 compliant meeting current Australian safety standards, IEC 62619 accredited ensuring internationally recognized quality and safety, backed by comprehensive 5-year warranty providing long-term confidence, and premium ultra-high-capacity deep-cycle lithium solution for large motorhomes with multiple air conditioners, expedition vessels, off-grid homes, solar energy storage systems, backup power installations, commercial mobile applications, and installations requiring maximum reliable lightweight high-performance battery power with advanced monitoring capabilities. Product Overview The Baintech 12.8V 300Ah Lithium Battery delivers professional-grade ultra-high-capacity LiFePO4 technology providing superior performance, longevity, and reliability for the most demanding applications requiring substantial energy storage—designed specifically for large Australian motorhome installations, expedition marine house banks, off-grid homes, and commercial systems where energy demands require maximum battery capacity without weight penalties of equivalent lead-acid systems. LiFePO4 chemistry offers significant advantages including 3000-5000+ cycle life (versus 300-500 for lead-acid), consistent voltage delivery throughout discharge maintaining equipment performance until nearly depleted, 100% usable capacity (versus 50% for lead-acid) effectively doubling available energy, negligible self-discharge enabling long-term storage without maintenance charging, and 70% lighter weight reducing vehicle payload and improving fuel efficiency particularly significant for high-capacity installations. 300Ah capacity provides massive energy storage—3.84kWh total energy (300Ah x 12.8V) suitable for powering large motorhome systems including multiple refrigerators, air conditioning, lighting, water pumps, entertainment equipment, and numerous accessories through extended off-grid periods without recharging or enabling operation of high-demand equipment impossible with smaller batteries including extended air conditioning operation, power tools, or multiple simultaneous high-current loads. Integrated Bluetooth connectivity transforms battery management—smartphone app displays real-time state of charge percentage, voltage, current (charging or discharging), individual cell voltages, temperature, cycle count, and alarm history enabling informed energy management decisions and early problem detection critical for high-capacity systems where battery status essential to operational planning and represents substantial investment requiring monitoring protection. Built-in BMS provides comprehensive protection—monitors and balances individual cell voltages maintaining optimal performance particularly important for high-capacity batteries where cell imbalance causes significant capacity loss, prevents overcharge damage by disconnecting charging sources when full, protects from over-discharge by disconnecting loads at minimum voltage (10V cutoff), limits discharge current preventing damage from excessive loads or short circuits, and includes over-temperature protection shutting down battery if safe operating temperature exceeded. 250A continuous discharge capability supports substantial loads—3000W continuous at 12V enabling operation of multiple large inverters, commercial equipment, or high-demand residential applications simultaneously without voltage sag or performance degradation, particularly valuable for off-grid homes, large expedition vehicles, commercial mobile installations, or marine applications with significant electrical demands exceeding capabilities of standard batteries. Compact design despite massive capacity (345x190x245mm) represents industry-smallest footprint for 300Ah lithium batteries—remarkably achieves 50% more capacity than 200Ah model in identical physical dimensions through advanced cell technology and efficient packaging enabling installation in standard large battery boxes replacing multiple lead-acid batteries with single ultra-high-capacity lithium. IP67 waterproof rating provides robust environmental protection—sealed construction withstands dust, dirt, and temporary water immersion (1 meter for 30 minutes) suitable for marine installations, under-vehicle mounting, outdoor applications, and harsh Australian conditions including dust, humidity, and occasional water exposure critical for protecting substantial battery investment. Wide operating temperature range (-20°C to +60°C for discharge) accommodates extreme Australian conditions from alpine winter camping to outback summer heat maintaining reliable performance year-round though charging limited to 0°C to +55°C preventing lithium plating damage during cold-temperature charging. Fast charging capability accepts up to 150A charge current (0.5C rate) enabling rapid battery recovery—alternator charging through appropriate DC-DC charger, substantial solar array, or high-output mains charger can restore battery to full capacity in 2-3 hours compared to 15-25 hours for equivalent lead-acid enabling efficient energy management in off-grid applications. AS/NZS 3001.2:2022 compliance ensures battery meets current Australian electrical safety standards for recreational vehicles and marine craft—critical for insurance, compliance certification, and safety assurance particularly important for high-capacity installations where safety standards scrutinized carefully. IEC 62619 accreditation demonstrates internationally recognized quality and safety testing—batteries tested for electrical, mechanical, thermal, and environmental performance meeting stringent international standards particularly rigorous for high-capacity batteries where energy storage increases safety risks. App-based reset button provides convenient battery reset capability—resolves minor BMS faults, clears protection triggers after fault resolution, or resets battery parameters without physical access to battery location particularly valuable for batteries installed in difficult-access locations under floors or in sealed compartments. Five-year warranty demonstrates manufacturer confidence in battery quality and longevity—comprehensive warranty coverage protects substantial investment and provides recourse if manufacturing defects or premature failures occur within warranty period critical for high-capacity batteries representing significant financial commitment. Professional installation essential ensuring proper BMS integration, appropriate high-capacity charging equipment (high-output DC-DC charger or lithium-compatible solar controller), correct fusing and cable sizing for 250A capability requiring minimum 50mm² cables, and system configuration optimized for lithium battery characteristics and ultra-high-current applications. Key Features 300Ah Ultra-High-Capacity LiFePO4: Massive 300Ah capacity provides 3.84kWh total energy suitable for extended off-grid periods with multiple high-demand equipment. Powers typical caravan refrigerator for 6-9 days, supports extended air conditioning operation (4-5 hours), multiple LED lights, water pumps, entertainment equipment, and accessories without recharging. 100% usable capacity effectively provides energy equivalent to 600Ah lead-acid battery. 50% more capacity than 200Ah batteries enabling longer independence or operation of equipment combinations impossible with smaller batteries. Ideal for large motorhomes, off-grid homes, or expedition vessels requiring maximum energy storage. 250A Exceptional Continuous Discharge: Remarkable 250A maximum continuous discharge supports substantial loads and most demanding applications. Adequate for powering 3000W inverter continuously enabling multiple air conditioners, commercial equipment, power tools, or numerous high-current accessories simultaneously. 500A capability when two batteries paralleled supporting 6000W loads for off-grid home or commercial applications. Highest discharge capability in Baintech range enabling operation of equipment requiring brief ultra-high currents without voltage sag. BMS current limiting protects battery—automatically restricts current if loads exceed rating preventing overheating or cell damage. Integrated Bluetooth Monitoring: Built-in Bluetooth enables comprehensive real-time battery monitoring through smartphone app. Displays state of charge percentage, voltage, current, individual cell voltages, temperature, cycle count, and alarm history. App-based reset button provides convenient battery management and fault resolution. Remote monitoring essential for high-capacity systems where battery represents substantial investment—make informed decisions about energy usage and charging needs. Early fault detection through alarm history and cell voltage monitoring prevents problems before failures occur critical for protecting premium battery investment. Intelligent Battery Management System: Comprehensive BMS protects battery and connected equipment critical for high-capacity installations. Cell balancing maintains optimal individual cell voltages maximizing performance and longevity particularly important for 300Ah capacity where cell imbalance causes significant capacity loss. Overcharge protection disconnects charging at 14.6V preventing damage. Over-discharge protection disconnects loads at 10V cutoff protecting cells. Over-current protection limits discharge to 250A continuous (500A brief peaks or paired batteries). Short circuit protection responds instantly. Over-temperature protection monitors battery temperature shutting down if safe limits exceeded. Automatic protection reset after fault resolution. 150A Ultra-Fast Charging Capability: Accepts up to 150A charge current (0.5C rate) enabling rapid battery recovery in 2-3 hours from 20% to 100%. Compatible with high-output DC-DC chargers (100-150A models), large solar arrays (1500-1800W with appropriate MPPT controllers), and high-capacity mains chargers providing appropriate charging profile (14.2-14.6V). Ultra-fast charging reduces generator runtime substantially, maximizes solar harvest during optimal sun hours, and minimizes time at powered sites. Higher charge acceptance than smaller batteries—300Ah capacity enables faster absolute charging without exceeding safe C-rate. Requires appropriate high-capacity charging equipment. IP67 Waterproof Rating: Sealed construction provides robust environmental protection rated IP67—complete dust protection and withstands water immersion to 1 meter for 30 minutes. Suitable for marine installations, under-vehicle mounting, outdoor applications, and harsh Australian conditions. Protects internal electronics and cells from dust, dirt, humidity, rain, and accidental water exposure. Sealed terminals prevent corrosion in marine environments. Ruggedized construction withstands vibration, shock, and mechanical stress critical for protecting high-capacity battery investment in mobile installations. Compact Design for Massive Capacity: Industry-smallest footprint (345x190x245mm) for 300Ah lithium battery maximizes capacity within standard installation space. Remarkably identical dimensions to 200Ah model despite 50% more capacity through advanced cell technology. Despite massive capacity, dimensions enable installation in standard large battery boxes and locations designed for dual lead-acid batteries. Weight approximately 32-38kg (70% lighter than equivalent 600Ah lead-acid) reduces vehicle payload substantially. Multiple batteries can parallel for extraordinary capacity—two batteries provide 600Ah (7.68kWh), three provide 900Ah (11.52kWh) supporting off-grid homes or extensive commercial requirements. Wide Operating Temperature Range: Discharge operation -20°C to +60°C accommodates extreme Australian conditions from alpine cold to outback heat. Maintains consistent performance across temperature range particularly important for high-capacity installations where temperature-induced capacity loss significantly impacts available energy. Charge temperature limited 0°C to +55°C preventing lithium plating damage. BMS temperature monitoring prevents operation outside safe limits. Consider installation location—avoid direct sun exposure causing excessive temperature particularly critical for high-capacity batteries generating more heat during high-current operation. AS/NZS 3001.2:2022 Compliance: Meets current Australian electrical safety standards for recreational vehicles and marine craft. Compliance critical for insurance coverage, vehicle compliance certification, and regulatory requirements particularly important for ultra-high-capacity installations where safety standards scrutinized most carefully. Updated standard reflects current safety requirements. Compliance demonstrates appropriate testing for electrical safety, mechanical robustness, thermal management, and protection systems essential for high-capacity batteries. Documentation available for compliance inspections or insurance requirements. IEC 62619 Accreditation: Internationally recognized safety and performance standard for lithium batteries. Comprehensive testing includes electrical performance, mechanical strength, thermal abuse testing, environmental exposure, and safety validation particularly rigorous for ultra-high-capacity batteries where energy storage increases safety risks significantly. Accreditation demonstrates battery meets rigorous international standards beyond basic compliance. Provides confidence in battery safety and quality—accredited batteries undergo extensive testing validating safe operation under normal and fault conditions critical for high-capacity installations representing substantial investment. 5-Year Warranty Coverage: Comprehensive warranty provides long-term confidence and investment protection particularly valuable for ultra-high-capacity batteries representing substantial financial investment. Covers manufacturing defects, premature capacity loss, BMS failures, and component defects occurring within warranty period. Warranty registration required activating coverage. Excludes damage from misuse, improper installation, incorrect charging equipment, physical damage, or operation beyond specifications. Warranty demonstrates manufacturer confidence in product quality and longevity. Substantially longer than typical lead-acid battery warranty reflecting superior lithium durability. Technical Specifications SKU BTBLUELITH12/300 Product Type Lithium Battery Brand Baintech Battery Chemistry LiFePO4 (Lithium Iron Phosphate) Nominal Voltage 12.8V Capacity 300Ah Energy 3.84kWh (300Ah x 12.8V) Maximum Continuous Discharge 250A (500A when paired) Cut-Off Voltage 10V (BMS over-discharge protection) Charging Voltage 14.2V to 14.6V (CC/CV mode) Recommended Charge Current 150A maximum (300A for two batteries) Operating Temperature (Discharge) -20°C to +60°C Operating Temperature (Charge) 0°C to +55°C Cycle Life 3000-5000+ cycles (to 80% capacity) Self-Discharge <3% per month Bluetooth Yes - Smartphone App Monitoring Battery Management System Integrated BMS with Protection Protection Features Overcharge, Over-Discharge, Over-Current, Short Circuit, Over-Temperature IP Rating IP67 (Dust and Water Resistant) Dimensions 345mm x 190mm x 245mm (L x W x H) Weight Approximately 32-38kg Terminals M8 Bolts (typical for lithium batteries) Compliance AS/NZS 3001.2:2022, IEC 62619 Warranty 5 Years Applications Large Motorhomes, Off-Grid Homes, Expedition Vessels, Commercial Mobile, Solar Storage, High-Demand Systems Frequently Asked Questions Q: What applications require 300Ah capacity versus smaller batteries? A: 300Ah suits large motorhomes with multiple air conditioners, off-grid homes requiring multi-day autonomy, expedition vessels with substantial electrical loads, commercial mobile applications, or installations running high-demand equipment extended periods. Provides 3.84kWh energy—runs 2000W air conditioning 1.5-2 hours, 1000W loads 3-4 hours, or combination moderate loads 24+ hours. Essential for applications where 200Ah insufficient or weight savings from single large battery preferable to multiple smaller batteries. Q: What size inverter can this battery support and what charging equipment do I need? A: Supports 3000W continuous inverter (250A x 12V). For charging: DC-DC charger 100-150A, solar 100-150A MPPT controller handling 1200-1800W array, mains charger 80-150A lithium-compatible. All chargers must provide lithium/LiFePO4 profile (14.2-14.6V). 150A charge capability enables 2-3 hour recovery from 20% to 100%. High-capacity charging equipment required to utilize fast-charging capability—standard 40-60A chargers underutilize battery capacity. Q: How does 300Ah lithium compare to traditional lead-acid battery bank? A: 300Ah lithium provides usable energy equivalent to 600Ah lead-acid (100% versus 50% usable). Replaces three 200Ah lead-acid batteries while weighing 70% less and occupying significantly less space. Voltage remains stable throughout discharge—equipment operates normally until depleted. Faster charging (150A versus 30-40A typical for lead-acid), longer lifespan (3000-5000 cycles versus 300-500), no maintenance. Initial cost higher but superior lifetime value considering replacement frequency and performance. Q: Can I parallel multiple 300Ah batteries and what total capacity would that provide? A: Yes, can parallel for extraordinary capacity. Two batteries provide 600Ah (7.68kWh, discharge 500A), three provide 900Ah (11.52kWh, discharge 750A), four provide 1200Ah (15.36kWh, discharge 1000A) suitable for off-grid homes or extensive commercial requirements. Use identical batteries (same model, age). Connect with heavy cables—minimum 16mm² recommended, 25mm² preferred for dual battery. Proper fusing on each battery. BMS in each provides independent protection. Bluetooth monitors each individually. Q: Is professional installation required for this battery? A: Strongly recommended due to high capacity and current capability. Requires proper cable sizing (minimum 50mm² for 250A), appropriate fusing (300A ANL or mega fuse typical), high-capacity charging equipment (100-150A), correct BMS integration, and system configuration for lithium characteristics. Incorrect installation risks fire hazard, equipment damage, or premature battery failure. Professional installers understand high-current system requirements ensuring safe reliable installation. Investment in proper installation protects substantial battery investment.Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. Buy from Frankies BrandBeast today!

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