The Everstart MAXX 3 Amp 6V / 12V portable automotive charger and maintainer is a flexible solution for practically any garage. Like all of our Everstart battery chargers it uses an integrated microprocessor to control the rate of charging and ensure maximum performance and longevity for your battery. and then at the flick of a switch it can go from charging traditional 12V automotive systems in cars trucks vans motorcycles and SUVs to the 6V systems commonly found in golf carts and RVs. That means the same compact easy-to-use charger can work with everything from muscle cars to jet skis and beyond. It s packed with the same safety features you ll find in our larger chargers like reverse polarity protection and a thermal/voltage fault indicator and it s ETL certified. So pick up an Everstart MAXX 3 Amp 6V/12V charger today your garage will thank you for it. New.