All Balls Racing Dual Battery Isolator And Wiring Kit The All Balls Dual Battery Isolator and Wiring Kit assures the automatic isolation of the auxiliary battery from the primary one to power accessories when parked. This functionality prevents depletion of the primary battery while using accessories with the engine turned off. The Battery Isolator sustains charge in both batteries and comes complete with mounting and installation hardware. Features: Automatically isolates secondary auxiliary battery from primary battery for running accessories Prevents primary battery from draining when vehicle is stopped Maintains a charge in both batteries when vehicle is running Universal fit Includes: Isolator module, wiring kit and mounting hardware Silver lug connectors 13.5 red and black battery leads Shrink tubing Instructions