SC1325 Schumacher 250/40/6/2 Amp Wheeled Battery Charger Starter 6/12 Volt. 6/2 Amp Charge maintain mode. 40 Amp Fast charge. 250A Engine start. Charges standard, AGM, Gel and deep-cycle batteries. 250A Engine Start – powerful enough for SUVs, trucks and large engines. 40A Boost mode – quickly brings deeply discharged batteries back to life. Multi-function battery tester – for battery status and charging system analysis. Microprocessor-controlled – automatically adjusts amperage rate, to charge and maintain batteries. Multi-stage charging – for added precision, safety and battery life. Float mode monitoring – maintains optimum battery charge. Auto voltage detection. Reverse hook-up protection. Scrolling digital display ─ gives step-by-step instructions to properly charge your battery. LED indicators and push-button controls for ese of use. 4-gauge output cables ─ stay flexible in cold weather. Clamps and cords on front of unit. Convenient clamp rest in handle. Compact wheels for easy storage.