Battery Master Switch Terminal Isolator

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Battery Master switches safely allow you to disconnect the battery from a vehicle's or boats electrical system, preventing battery drain, fires and possible theft. Cuts power with a turn of the knob Easy DIY fitment Brass construction Remove knob to use it as an anti-theft tool for your car or boat This terminal switch is ideal for maintaining the battery's charge over longer periods of time. With the attached isolator switch, this terminal easily gives you the option to connect or disconnect power with the turn of a knob. Suited for either the positive or negative battery terminal posts. Show more