15A 6V/12V DOE Battery Charger for automotive and marine batteries. Battery type, Standard, AGM, Deep-Cycle. Microprocessor controlled - automatically adjusts the amperage rate to charge and maintain. Multi-stage charging for added precision, safety and battery life. LED (light emitting diode) display/indicators and push button controls. Reverse hook-up protection. Schu Eco Energy - meets the highest industry standards. DOE compliant.