Battery Doctor Battery Life Preserver Auto Battery Disconnect 20395 19-3520

Battery Life Preserver(TM) Automatic Battery Disconnect Switch, a state-of-the-art electronic device, automatically monitors your battery capacity. It prevents your battery from going dead by automatically disconnecting the battery at 11.7V, therefore reserving enough power to start the vehicle. Features ability to connect and disconnect the battery with the touch of a button on the wireless remote and easy bolt-on installation eliminating need to cut any cables.