Best 55-10-2 Auto Battery Charger - Fast & Safe Car Battery Charging for Cars, Trucks & SUVs - Perfect for Home Garage, Roadside Emergencies & Winter Maintenance

Charges 6 and 12V (volt) batteries. Suitable for automotive and motorcycle. Designed for trickle charging, fast charging and engine starting needs. 55A (ampere) setting provides enormous cranking power when working on autos or in emergency situations. 10A setting charges batteries in 3 to 5 hours. 2A trickle rate function continues to maintain voltage and help extend battery life. Automatic shut-off feature prevents overcharging and battery damage. Battery leads: 6-1/2' x 16 AWG (American Wire Gauge).