Description
CTEK CTADAPT329 Connect Eyelet M10 - Permanent Battery Connection Cable for Hard to Reach Batteries
Professional permanent battery connection solution engineered for CTEK battery chargers enabling convenient charging of hard-to-reach, hidden, or difficult-to-access batteries without requiring clamp attachment during each charging session. The CTEK Connect Eyelet M10 features 10.4mm M10 eyelet terminals providing secure permanent connection directly to battery posts creating dedicated charging access point eliminating need to open hoods, remove access panels, or navigate tight engine bay spaces every time charging required. Integrated CTEK Connect system enables quick easy attachment to CTEK chargers providing instant charging connection without tools or repeated battery terminal access. Perfect for batteries installed in challenging locations including under seats, beneath floor panels, inside storage compartments, in engine bays with limited access, or anywhere traditional battery clamp connection proves difficult, time-consuming, or impractical. Once installed, the eyelet connector remains permanently attached to battery terminals with CTEK Connect plug conveniently positioned for accessible charger connection enabling instant charging setup without tools, battery access, or clamp attachment procedures. The 0.4 meter cable length provides practical routing distance from battery terminals to convenient connection location accommodating typical battery installation configurations. Ideal for motorcycles with batteries under seats or side panels, classic cars with batteries in trunk locations, modern vehicles with batteries under floors or in cramped engine compartments, marine vessels with batteries in sealed compartments, RVs with house batteries in storage bays, or any application where frequent charging access desired without repeated battery exposure procedures. Backed by 2-year warranty demonstrating CTEK's confidence in product quality and reliability for long-term permanent installation applications. Manufactured by CTEK, global leader in battery charging technology ensuring Swedish engineering quality and compatibility with entire CTEK charger product range featuring CTEK Connect system.
Product Overview
The CTEK Connect Eyelet M10 addresses practical charging access challenges where battery location, vehicle design, or equipment configuration makes traditional battery clamp connection inconvenient, time-consuming, or difficult during routine charging operations. Modern vehicles increasingly position batteries in locations optimizing space utilization and weight distribution rather than charging convenience - under rear seats requiring seat removal, beneath trunk floors requiring carpet and panel removal, in cramped engine bays requiring removal of air intake components or other parts for clamp access, or sealed compartments designed for crash protection but complicating maintenance access. Motorcycles commonly locate batteries under seats, side panels, or fairings requiring tool use and component removal for each charging session. Classic vehicles often feature trunk-mounted batteries or relocated batteries in custom installations where battery location distant from convenient access points. The permanent eyelet installation eliminates these access challenges by creating dedicated charging connection point that remains installed on battery with CTEK Connect plug positioned for easy access - enabling quick charger connection without disturbing battery location or surrounding components. This convenience particularly valuable for seasonal equipment requiring regular maintenance charging, vehicles stored long-term requiring periodic charging, or users lacking mechanical confidence for repeated battery access procedures. The CTEK Connect system represents universal quick-disconnect standard across CTEK charger product range enabling single eyelet installation serving all CTEK chargers user may own or acquire.
Key Features and Benefits
Permanent M10 Eyelet Terminal Installation – M10 10.4mm eyelet terminals connect directly to battery posts using existing battery terminal nuts or dedicated mounting hardware providing secure permanent connection that remains installed throughout vehicle or equipment service life. Permanent installation eliminates need for repeated clamp attachment and removal during charging sessions, prevents clamp-related battery post damage from repeated connection cycles, and creates reliable consistent electrical connection unaffected by clamp positioning or contact pressure variations. M10 terminal size fits standard battery post bolt configurations found in automotive, motorcycle, marine, and recreational vehicle applications ensuring broad compatibility across diverse battery types and vehicle applications.
Integrated CTEK Connect System – Features CTEK's proprietary Connect quick-disconnect system enabling instant charger attachment without tools or electrical knowledge. CTEK Connect plug mates seamlessly with Connect-equipped CTEK chargers providing secure electrical connection with simple push-on attachment and easy pull-off disconnection. Connect system standardized across CTEK charger product range means single eyelet installation serves all current and future CTEK chargers maintaining investment value as charging needs evolve. Quick-disconnect design transforms charging from multi-step procedure (locate battery, position clamps, verify polarity, attach clamps) into single-step operation (plug in charger) significantly reducing charging setup time and eliminating common connection errors.
Ideal Solution for Hard-to-Reach Batteries – Specifically designed for batteries installed in challenging locations where traditional clamp access proves difficult, time-consuming, or requires component removal. Common difficult battery locations include: motorcycle batteries under seats requiring seat removal, modern car batteries under rear seats or trunk floors requiring interior panel removal, batteries in cramped engine bays requiring air intake or component removal for clamp access, marine batteries in sealed compartments requiring access panel removal, RV house batteries in exterior storage bays requiring bay access, or custom battery relocations in modified vehicles. Permanent eyelet installation with Connect plug positioned at accessible location transforms difficult battery access into simple convenient charging connection eliminating frustration and time associated with challenging battery locations.
0.4 Meter Cable Length – Practical 0.4 meter (approximately 16 inch) cable length provides adequate distance for routing Connect plug from battery terminal location to convenient accessible position. Cable length accommodates typical battery installation configurations where battery terminals and desired plug location separate by reasonable distance without excessive cable creating clutter or routing challenges. Length appropriate for positioning plug at panel edges, through access openings, along frame rails, or other locations enabling convenient charger connection while maintaining clean professional installation appearance. Compact cable length minimizes voltage drop over distance and reduces cable management complexity during installation.
Quick Easy Charger Connection – CTEK Connect system enables charging setup in seconds without tools, technical knowledge, or repeated learning curve. Simple push-on connection provides secure electrical contact with positive click feedback confirming proper connection, while easy pull-off disconnection enables quick charger removal when charging complete. Connect system eliminates common charging errors including reversed polarity (Connect system keyed preventing incorrect connection), loose clamp contact causing charging failures, or clamp positioning on corroded battery posts reducing charging effectiveness. Quick connection particularly valuable for users maintaining multiple vehicles enabling rapid charger movement between equipment without repeated clamp attachment procedures for each charging session.
Professional-Grade Construction – Quality cable construction with appropriate conductor sizing ensures reliable current transfer during charging operations without excessive voltage drop or heat generation. Robust insulation and strain relief at eyelet connection points prevents conductor fatigue from vibration, temperature cycling, and mechanical stress typical in permanent vehicle installations. Weather-resistant materials handle environmental exposure including under-hood heat, moisture, road salt, and UV exposure ensuring long-term reliability throughout vehicle service life. Professional construction quality appropriate for permanent installations where cable failure could require significant disassembly for replacement access.
2-Year Warranty Protection – Comprehensive 2-year limited warranty coverage demonstrates CTEK's confidence in product quality and provides user assurance for permanent installation applications. Warranty covers manufacturing faults and material defects protecting against product failures due to construction issues or component defects. Extended warranty period appropriate for permanent installation products expected to provide reliable service throughout multiple years of regular use and environmental exposure typical in automotive and recreational vehicle applications. Warranty excludes damage from careless handling or unauthorized repairs maintaining coverage for genuine product failures while excluding user-caused damage.
Universal CTEK Charger Compatibility – Compatible with entire range of CTEK battery chargers featuring Connect system including MXS series, PRO series, marine chargers, and other CTEK products utilizing standardized Connect interface. Universal compatibility means single eyelet installation serves current CTEK charger and future charger upgrades or additions without requiring new eyelet installation or adapter accessories. CTEK ecosystem approach enables users building comprehensive charging infrastructure across multiple vehicles and equipment types knowing all installations remain compatible throughout equipment lifecycle and future product evolution.
Technical Specifications
| Specification |
Details |
| Model |
Connect Eyelet M10 |
| SKU |
CTADAPT329 |
| Product Type |
Permanent Battery Connection Cable |
| Brand |
CTEK (Swedish Engineering) |
| Terminal Type |
M10 Eyelet (Ring Terminal) |
| Terminal Size |
10.4mm (M10) |
| Cable Length |
0.4 Meters (approximately 16 inches) |
| Connection System |
CTEK Connect Quick-Disconnect |
| Installation Type |
Permanent Battery Terminal Mount |
| Typical Applications |
Hard to Reach Batteries, Hidden Batteries, Permanent Charging Installations |
| Vehicle Types |
Motorcycles, Cars, Classic Vehicles, Marine, RVs, ATVs |
| Cable Construction |
Professional-Grade with Weather-Resistant Materials |
| Warranty |
2 Years (Limited Warranty - Manufacturing Faults & Material Defects) |
| Compatibility |
All CTEK Chargers with Connect System |
| Installation Complexity |
Easy DIY (Basic Electrical Knowledge) |
| Primary Benefit |
Eliminates Need for Battery Clamps and Repeated Access |
| Manufacturing Origin |
Swedish Engineering (CTEK) |
Frequently Asked Questions
Q: Will this work with any CTEK battery charger or only specific models?
A: The Connect Eyelet works with any CTEK charger equipped with Connect system. Most modern CTEK chargers include Connect capability either integrated directly or available through Connect adapter accessories. CTEK MXS series (3.8, 5.0, 7.0, 10), PRO series (PRO15S, PRO25S), and marine chargers (M15, M25) typically support Connect system. The eyelet provides permanent battery connection while charger determines charging capability and features. If you own older CTEK charger without integrated Connect, verify whether Connect adapter accessories available for your specific model enabling Connect system use. The standardized Connect interface across CTEK product range ensures eyelet investment remains valuable throughout charger upgrades and additions.
Q: Can I install this myself or do I need professional installation?
A: Most users with basic automotive electrical knowledge can install Connect Eyelet themselves following straightforward procedure: disconnect battery negative terminal for safety, install M10 eyelet terminals on battery posts (typically under existing terminal nuts or with dedicated hardware), route cable to desired plug location avoiding hot engine components and moving parts, secure cable along routing path using cable ties, reconnect battery, and verify installation. Basic tools required include wrenches for battery terminal nuts (typically 10mm or 13mm) and cable ties for securing routing. Installation typically takes 15-30 minutes for experienced DIYers. If unfamiliar with battery terminal work, concerned about proper routing in your specific vehicle, or uncomfortable with automotive electrical procedures, professional installation by auto electrician or dealership service ensures optimal installation with proper routing and connection quality.
Q: Where should I position the Connect plug for easiest charger access?
A: Optimal plug location depends on your vehicle type and charging routine. Common routing approaches: for traditional engine bay batteries, position plug near grille, under hood edge, or near headlight location enabling charger connection without fully opening hood; for motorcycle batteries under seats, route plug to frame location near seat edge or under side panel enabling access without seat removal; for trunk-mounted batteries, route through trunk lid weatherstrip or access panel enabling connection through trunk access; for RV house batteries in exterior bays, route to bay door edge enabling charging without full bay access. Choose location providing convenient charger connection while protecting plug from weather exposure, road debris, and accidental damage. The 0.4m cable length accommodates most typical routing requirements from battery terminals to accessible connection point.
Q: Will leaving the eyelet connected permanently drain my battery?
A: No, the Connect Eyelet is passive cable connection with no parasitic drain when charger not connected. The eyelet simply provides electrical connection point without electronics, circuits, or components drawing current. Battery drain occurs only when active devices connected drawing current, or through natural battery self-discharge occurring regardless of eyelet installation. The permanent eyelet installation identical to permanent battery cable connections in vehicle electrical system - simple conductor providing connection point without current consumption. Once charger disconnected from Connect plug, no electrical path exists for battery drain through eyelet connection. This makes permanent installation safe for long-term connection throughout vehicle service life without battery drain concerns between charging sessions.
Q: Can I use multiple Connect Eyelets on different batteries and use one charger for all?
A: Yes, this is common and recommended practice for users maintaining multiple vehicles or equipment with CTEK chargers. Install Connect Eyelet on each vehicle's battery, then use single CTEK Connect-compatible charger moving between vehicles as needed for charging. Simply disconnect charger from one vehicle's Connect plug and connect to another vehicle's Connect plug for instant charging setup without clamp attachment. This approach maximizes charger investment enabling one quality CTEK charger serving entire vehicle fleet including cars, motorcycles, ATVs, boats, or RVs. Many users maintain permanent Connect Eyelet installations on all their vehicles and seasonal equipment ensuring quick convenient charging access whenever maintenance charging needed. The quick-disconnect nature of Connect system makes multi-vehicle charging practical and efficient compared to traditional clamp-based charging requiring repeated setup procedures.
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