The on board charger can also control the maximum input current, with stable charging, high conversion efficiency, a variety of protection functions, safe and reliability, strong seismic capacity, and other characteristics. The products are suitable for lead-acid batteries, lithium batteries, nickel-hydrogen batteries, etc. They are used for cycle charging of battery packs of electric... https://www.evlithiumcharger.com/Products/On-Board-Charger/