ATD-5921 12V 18Ah JumpStart • Jump start your car with 400 Amps of boost and power your DC accessories • 900 Peak Amps • 400 Cranking Amps • On/Off switch for safety • Charging level/battery indicator gauge • 12V DC outlet with overload protection to power cell phones, computers and other accessories • 43" heavy-duty, rubber-insulated copper cables that remain flexible in extreme cold temperatures • 500 Amp rubber-insulated, heavy-duty clamps • AC/DC power cord for charging in vehicle • 500mA built-in 110V charger with overcharge protection • Heavy-duty impact-resistant polyethylene case • Shipping Weight: 20 lbs.