Feature & Benefits DUAL INPUT 20A IN-VEHICLE SOLAR PANELS DC BATTERY CHARGER casing made of heavy-duty aluminum and a mounting bracket Monitoring and control using microchips fully autonomous, multi-stage charging at high frequency Longer battery life is a result of pulse mode technology, which lowers temperature, evens electrolyte consistency, and minimizes oxidation. simple chemistry with a push button choose from traditional flooded Lead-Acid, AGM/Gel, Calcium, LifePo4,