Automatic smart 12V / 6V battery charger 8-stage portable automatic inverter battery charger and holder. Connect the charger to the motorcycle / ATV / car battery and it will charge until the battery reaches full capacity. If the battery is deeply discharged, it will recharge it and then ensure that it never falls below the specified voltage. A large LCD display and LED indicators inform you of each step of the process. Suitable for a variety of vehicles, including motorcycles, quad bikes, cars, boats, PWC, etc