BOLTHUT™ Battery Disconnect Switch — Master Kill Switch, No Drain

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Come back to a dead battery after your car, RV or boat sat for weeks? The BOLTHUT™ Battery Disconnect Switch cuts the slow parasitic drain that flattens a resting battery. Bolt it onto your battery terminal, then twist the blue knob to OFF and power is fully disconnected, so nothing trickles to alarms, clocks or modules while you are away. Twist back to ON and everything wakes up like normal. Solid brass contact posts carry a clean 12V or 24V connection, and the die-cast housing shrugs off heat and vibration under the hood. It doubles as a simple master kill switch to help deter opportunist theft on project and classic cars. Fits most top-post and common side-post batteries. Show more