Victron Cyrix Li-CT 120 Amp Battery Combiner Relay (VSR)

Victron CYR010120412This is a voltage sensitive relay that connects a LiFePO4 battery to the starter battery when the alternator is charging. It communicates with a BUS BMS unit and will disconnect the LiFePO4 battery from charging if the BMS unit senses over/under voltage or temperature, and/or the starter battery voltage drops below 13.2V, i.e. the alternator is no longer charging. Current rating 120A.NOTE: This product is specific to lithium installs.