Ideal for all basic charging applications. The Schumacher SC1357 6A 6V/12V Automatic Battery Charger/Maintainer is perfect for all basic charging applications. This charger/maintainer makes it easy to charge power sport and automotive batteries with a 6A charge and a 3A maintain mode. For added precision, safety, and battery life, this charger/maintainer has multi-stage charging. Float-mode monitoring automatically maintains an optimum battery charge. This microprocessor-controlled charger/maintainer automatically adjusts the amperage rate to charge and maintain. LED’s indicate Power On, Charging Status, and will flash if clamps are reversed thanks to reverse hook-up protection. Additional features include: 6A charger and 3A maintainer, Compatible with standard and AGM batteries, Meets the highest industry standards for energy efficiency, DOE compliant