JUMP PACK XP-20-HDDimensions: 9 x 4 x 1. 9, weighs 2lbs Enough power to start up to a 8 liter diesel engine Charges powers most all personal electronic devices including 19 volt laptops (not compatible with 16 volt Apple) Built in LED flashlight with 3 beam modes Recharges from any standard cigarette lighter outlet or included wall charger XP 20 HD features larger clamps and may not be suitable for some powersport applications Power: XP 20 800 continuous 4000 peak