Schumacher PSW-2035 Professional Economy wheeled charger with 200 Amp crank Assist, designed for the shop with a need for high starting power and simple charging on a budget. This unit features 2 charging rates, 35 amp for fast charging, and 2 amp trickle for finish charging or slow charge for smaller batteries. Charges standard 12 volt batteries. Simple operation, excellent value with plenty of power.