The Schumacher SC1301 Battery Charger and Maintainer is a great option for car, boat, or power sport batteries. Energy efficient and automatic, the unit features easy to connect clamp and ring terminal adapters. The microprocessor automatically adjusts the amperage rate, with multi-stage charging and float mode monitoring for optimum charging and maintaining to extend battery life. Includes reverse hook-up protection which prevents the charger from operating if the clamps are reversed. Schu Eco Energy meets the highest industry standards. Compatible with standard and AGM batteries.