Dual Battery Control Kit

Allows you to use 2 batteries, but saves the main battery for essential functions such as starting the vehicle.Engineered specifically to give maximum power during winch power-in operation.For use with 12-volt accessories such as winches, lights, stereo and more.Minimizes charging system overload. If both batteries need charging, the main battery is charged first.Optional manual override forces a parallel connection when you need extra power for charging a weak battery or jump-starting another vehicle.Designed for use with 12-volt DC magneto or alternator charging systems.Easy to install.Includes all necessary hardware Second battery not included