【Function】——Voltage Sensitive Relay(VSR) cuts in at 13.3v and cuts out at 12.8v to ensure your main battery is always charged and ready to run your vehicle. The dual battery isolator can display the voltage, you can check the battery voltage in time
【Secure & Effective】——When the input voltage is lower than 11V or more than 17V, the circuit will be disconnected automatically to protect batteries. IP67 waterproof rating helps smart battery isolator perform well in extreme environments
【Wide Compatibility】——This 12v battery isolator is small and suitable for almost anywhere, for ATV, UTV, Boats, RV, marine, vehicle, truck and caravan. 140amp battery isolator is very useful for storing sports cars and trailers to protect batteries from drained
【Emergency Condition】——The VSR can reverse charge in both manual and automatic modes. For example, when the main battery is out of power, switch to manual mode to connect the circuit, the auxiliary battery can charge the main one in reverse
【After-sales Service】——We have exquisite craft, strict quality control along with excellent after-sales service. That is why our products are worthy of your purchase