This Speedway 2/10/50 Amp Battery Charger and Engine Starter is an exceptional and handy tool, ready for any circumstance. It features a powerful input of 120V, 60 Hz, and output with 12V DC, 2 Amp Normal Charge, 10 Amp Quick Charge and 50 Amp Engine Starter. Includes Thermal Protection shut-off and Heavy Duty copper Plated Clamps for Superior Conductivity. This Battery Chargers offers a Convenient Carry Handle, Warning Lamps for Reverse Polarity and Charge Complete. It also Switches to Trickle Mode when the Battery is Completely Charged and has a Self-Resetting Circuit Breaker. Applications include: Snowmobiles, Lawn and Garden, Motorcycles, ATV, Boats, Cars and Trucks.