Truck PAC 12/24 Volt Heavy-Duty Jump Starter. Easy-to-use and versatile, the ES1224 switches from 12 to 24 Volts with the turn of knob, all without sacrificing one bit of power. With 3000 Peak 12 Volt Amps and 1500 Peak 24 Volt Amps, the Truck Pac will get the job done. 3000 peak 12 Volt amps. 1500 peak 24 Volt amps. Integrated voltage selection switch. LED battery status indicator. 60" Heavy-duty cables. DC outlet to power a variety of 12 Volt accessories. 1 year limited warranty.