Powerful jump starter will start up to 40 vehicles between charges, depending on size and condition: Small cars, small pickups, full-size cars, SUVs, medium-duty trucks, buses, medium and large RVs, medium and large boats, semi trucks, ag equipment and off-road equipment. U.S.A. Amp Charge Rate: 3,000, Volts: 12, Works With: Cars, trucks, buses,, Cable Length (in.): 54, Cable Gauge: 4, Clamp Material: Hot Jaw, Outlets (qty.): 1 Dual ES Series AGM batteries Automatic charging circuitry protects against overcharging Wall charger and 12V vehicle charging cord U.S.A. Model ES6000