FOR MOST CHARGING APPLICATIONS LED indicators and button controls – for ease and accuracy START/STOP push button interface Heavy-duty metal case Microprocessor controlled ─ automatically adjusts the amperage rate to charge and maintain Multi-stage charging for added precision, safety and battery life Reverse hook-up protection – charger will not operate if clamps are reversed; LED will flash Schu Eco Energy ─ meets the highest industry standards DOE compliant Contents: (1) Schumacher SC1339 charger (1) Manual