Dual Battery Isolator 12V 140Amp Manual and Auto modes Voltage Sensitive Relay VSR Compatible with RV Marine Car Vehicle Truck Caravan Off-road Camper Yacht ATV UTV Boats,Not Fit for lithium batteries
- [Automatic state use Function] ——When the input voltage exceeds 13.3V, the circuit will be connected automatically. The voltmeter and red (LED) indicator will also be ON. When the input voltage drops to 12.7V, the circuit will be disconnected automatically. The voltmeter and red (LED) indicator will also be OFF
- [Manual state use function] ——The blue indicator light is ON, press the button each time, you can complete the circuit connection and disconnection. The circuit switched on the red indicator, the voltmeter lights up at the same time. The circuit disconnect red indicator light, the voltmeter goes out at the same time
- [Voltmeter display] —— If two batteries are connected, then the voltage displayed on the voltmeter is the battery that has higher voltage. Only connect the battery that you would like test the voltage and disconnect the other battery.When the voltmeter is not working, press the button once, the voltmeter will display the value for 2 seconds