Description The Schumacher SC1299 Battery Maintainer is a great option for motorcycle, car, power sport, lawn tractor and marine batteries. The microprocessor automatically adjusts the amperage rate, with multi-stage charging to extend battery life. Includes LED light indicators and simple button controls for ease of use plus 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.