Thunder Battery Box + 20Amp DC to DC Charger

Thunder 20 AMP Dc-DC 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). Features: 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 Automatica...