The Schumacher SC1339 10A 12V Fully Automatic Battery Charger is perfect for most charging applications. From the Schumacher line of bench chargers, this unit is built with a rugged metal case and classic a transformer. Microprocessor controlled, the SC1339 features multi-stage charging, float mode monitoring, and reverse hook-up protection. Other features include LED indicators and push-button controls. The SC1339 is compatible with 12V standard and AGM batteries. Product Features:10A chargeHeavy-duty metal caseMicroprocessor controlled and automatically adjusts the amperage rate to charge and maintainMulti-stage charging for added precision, safety, and battery lifeReverse hook-up protection prevents the charger from operating if clamps are reversed; LED will flashLED indicators and button controls for ease and accuracySTART/STOP push button interface