Boost your dual battery system's efficiency with the VoltX 12V 30A MPPT DC-to-DC Lithium Battery Charger. Charge your power pack effortlessly via your vehicle alternator or maximise your solar energy use by topping it off via solar panels. This charger has a built-in MPPT solar charge controller capabilities for optimal recharging on a sunny day, plus a rapid response speed for utmost efficiency. It’s highly reliable, has a rapid respons speed, and an easy tracking system thanks to the mobile app and PC monitoring software. You don't want to board your adventure ride without this!