The BMS 12/200 lets you safely connect any size 12V alternator (and start battery) to Victron LiFePO4 Smart Batteries. This all-in-one Battery Management System, Current Limiter, Battery Combiner and Battery Protector is a robust and compact solution, specifically designed for 12V systems with 12V alternators, such as vehicles and boats. The BMS 12/200 monitors and protects each individual battery cell...