Park Power 701HBRV Master Battery Disconnect Switch – HouseThis battery disconnect switch helps preserve battery life and prevent theft or tampering. It works by cutting off the connection between your battery and the accessories that can drain it. This prevents constant drain while your vehicle is in storage.Additional InfoDimensions2 “W x 2 “D x 3″HVoltage Rating48V DCContinuous Rating275A DCIntermittent Rating455A DCCranking Rating1250A DCElectrical ComponentPlease keep in mind this is an electrical component, per Panther RV Products return policy, this product is non-returnable.