CHARGE IT! battery maintainers provide easy battery maintenance to a wide variety of vehicles, from cars and trucks to motorcycles and personal watercraft. Fully automatic, they can be used for everything from overnight charging to extended charging of seasonal use vehicles. Plus, with a variety of output accessories, you can choose the best connection option for your application. 12 Volt Operation 1 amp charge rate Automatic Operation Polarity protection LED charging progress indicator Multiple output accessories included Comes complete with protective rubber skin.