1、Battery isolator features a voltage sensitive chip ensuring your primary battery is always ready for your vehicle to run. 2、This dual battery isolator is also built to withstand extreme weather environments, vibration and is water resistant. 3、Automatically combine two batteries when charging, and isolate two batteries when not charging. 4、Wide application, suitable for ATV, UTV, boats, RVs, maritime vehicles, trucks, and caravans. 5、Small in size and light in weight, convenient to carry and use at any time, very convenient and practical. 6、Built‑in LED indication (turn on when VSR is connected), with remote LED port, display VSR status (not including LED), when the engine is o_x001e_ff, the storage mode allows zero power consumption. 1 x 125 Amp Battery Isolator1 x User Manul4 x Screw1 x Terminal Item Type: 125 Amp Battery IsolatorMaterial: ABSUses: This battery isolator is small in size and can be used almost anywhere, suitable for ATV, UTV, boats, RVs, maritime vehicles, trucks, and caravans.Nominal Voltage: DC 12VCombined Voltage: DC 13.3VOpen Voltage: 12.8V DCContinuous Rating: DC 125AIntermittent Rating: DC 140APower Consumption: 10mA (standby)330mA (start)0mA (storage)Terminal: M6(1/4in)