The Schumacher SP1356 Battery Charger and Maintainer is a great option for car, marine batteries or power sport batteries. Its energy efficient and fully automatic, the unit features easy to connect clamp and ring terminal adapters. A convenient hook attachment can be used to hang the unit outside of the work area. The  SP1356 is manufactured with a microprocessor that automatically adjusts the amperage rate. It also contains the multi-stage charging and float mode monitoring to provide optimum charging and maintaining to extend the battery life. Includes scrolling digital instructions for ease of use and reverse hook-up protection that prevents the charger from operating if the clamps are reversed. Schu Eco Energy meets the highest industry standards. Compatible with standard, AGM, and deep-cycle batteries.