Thunder TDR02010 20A DC/DC CHARGER W/ SOLAR REGULATOR

The Thunder 20A DC/DC Charger is an easy to install smart charger that can quickly charge your auxilary batteries from your vehicle battery connections or solar panel thank to the built-in solar regulator. Utilising a unique pulse charging algorithm the TDR02010 charger has the intelligence to determine the best charge rate for your auxiliary battery (excluding lithium) and automatically switch to solar input (if connected) in the event the vehicle battery is turned off or voltage drops below 11.9V, protecting you against battery dammage or even worse, a dead battery when you least need it.   The splash proof (not ip rated) unit mounts quickly and easily via four mounting points and easy to use wiring studs and features an easy to read and comprehensive LED display with stage/warning lights. Product Highlights: MPPT solar regulator will regulate solar panels at maximum efficiency capable of up to 300W of solar @ 25V 20A output to charge your auxiliary battery while driving Automatically switches to the solar input when the vehicle battery is turned off or main battery drops to 11.9V Splash resistant (not IP rated) Easy to read and comprehensive LED display Simple to install – 4 mounting holes and 4 easy-to-use wiring studs Rate of charge starts to decrease at 50 degrees and will fully cut out at 80 degrees Temperature compensation Compatible with conventional and SMART vehicle alternators Reverse polarity protection Over/under voltage protection Spark-free connections Specification: Charging Style – 8 Stage from vehicle / 3 stage from solar Input – 12.4 to 16.0 Volts DC Output Voltage – 13.1 – 16.2V Output Current – 20 AMPS Max Start Voltage for 2nd battery – 1.5 Volts  Max Solar Input – 25 Volts Max Solar W Input – 300 Watts Soft Start – Yes Battery range – 18 to 250Ah