Relay Controller wire

the wire is used on connect CHARGERY BMS and relay coil, there are 4 terminals on mechenical relay, the controller wire should be fastened on two small terminal , the larger two terminals are connected battery positive and charger /inverter positive.

first fasten the wire to relay, then plug into BMS. 

generally the controller wire voltage ( red wire VS black wire) is 12V, if it is 0V, the charge or discharge is cut off, relay is open or disconnected to charger/inverter.

The Wire length is 600mm (23.62 inch),  24AWG.

The controller wire is suitable for all Chargery BMS.