Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV,

Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV,

Smart Voltage Sensitive Relay can automatically disconnect or connect the auxiliary battery according to the voltage of the main battery. Smart Voltage Sensitive Relay can automatically disconnect or connect the auxiliary battery according to the voltage of the main battery. Input voltage lower than 11V or Input voltage more than 17V, circuit will be automatically disconnected to protect main battery from over discharging. Voltage Sensitive Relay allows 2 batteries to be charged from your engine alternator at the same time. When your engine is turned on and the main battery is fully charged, the relay will start charging the Auxiliary battery at the same time. Smart Battery Isolator is IP68 WATERPROOF grade, so it can withstand various weather conditions, and you don’t need to stress about traveling. Smart battery isolator kit compatible with most RVs, Cars Vehicles, ATVs, UTVs, Polaris, Can-Am, Boats, 12VDC Marine, 4wd, caravan, etc. A compact battery isolator can be placed almost anywhere. Not Compatible with Ternary lithium battery!! Battery Isolator