1、Wide Application: Battery isolator switch is widely used in boats, small yachts, RVs, camper, trucks, cars, ATV, UTV battery banks and other 0‑48V equipment. 2、Ignition Protection: The ignition protection of the battery power cutoff switch makes it can be safely installed on petrol powered boats or vehicles. 3、Strong Compatibility: The dual battery switch is suitable for two batteries. It can be used alone or locked together with other switches for isolation. It can be used with 12V to 48V DC systems to isolate and protect electrical systems. 4、Safely Disconnect The Battery: This battery disconnect switch can eliminate any power consumption of the battery when the vehicle or ship is not in use. Compact size, sturdy and durable. 5、High Quality: Marine battery switch uses ABS plastic shell, very suitable for marine applications, rear cover insulates against any short of circuits, equiped with 4 sets of bolts. 1 x Switch1 x Manual 4 x Heat Shrinkable Tube1 x Wrench4 x Terminal 4 x Screw4 x Nut Item Type: Battery Isolator SwitchMaterial: ABSContinuous Current: 275Amps DCIntermittent Current: 455Amps DCStarting Current: 1250Amps DCMaximum Voltage: 12V-48V DCDielectric Strength: 1500VAC/1minFitment: Cars, RVs, Yachts, Trucks