20A DCDC Charger

Easy to install, the Thunder DC to DC charger is the smart way to charge your auxiliary battery, no matter your vehicle. The Thunder DC-DC Charger utilises a unique pulse charging algorithm with the intelligence to determine the best charge rate for your auxiliary battery (excluding lithium).

• 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 12.2V
• 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

Available downloads:
User manual

Part Number: TDR02020

RRP: $401

Check out our latest DC-DC Charger with remote mount Bluetooth LCD display, lithium profile and 90 degree operating temp for underbonnet mounting!