ATD Tools 12 V 1700 Peak amp JumpStart is a 24 Ah battery with 1,700 peak amp power, 700 cranking amps, 1,000 amp steel-plated copper clamps, fully automatic built-in charger that will maintain full charge while plugged and 12 volt DC power adapter for charging in vehicle, 12 volt DC power outlet with overload protection to power cell phones, computers and other accessories.