Dual Battery Isolator and Monitor

It consists of a BG12 battery guard and a PAC-200 relay. Designed to isolate the primary battery from the secondary battery, protect the user from battery failure and prolong their battery's lifespan

• Disconnects the second battery when voltage drops below 11.6v
• It prevents a dead primary battery when listening to the stereo with the engine off
• It gives a visual indication of a faulty charging system