Top Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Negative,Vertical)

【COMPATIABLE】This knife-blade battery disconnect switch is suitable for TOP POST TERMINAL, battery NEGATIVE post only. Maximum Current: 750A, Rated Current: 250A. 6v 12v 24v car truck, bus, RV, Boat, trailer battery, 【HIGH QUALITY & HEAVY DUTY 】This top post battery disconnect switch is made of brass material, corrosion resistance, conductive performance is good, durably made for safety use, 【EASY TO INSTALL】This battery doctor knife switch for top post batteries can be adjusted into a vertical knife switch through the bottom of the screw, easy to install & simple to use. Switch the knife, then power will cut, 【SAVE ELECTRYCITY】This knife blade master switch is used for the battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, stop unwanted battery drain and prevent theft or unaut