The Allstart Boost 550 Jump Starter features a 12,000mAh high capacity, high power lithium battery for jump starting vehicles and charging devices. The unit offers 300 cranking amps and weighs less than 2 lbs. This jump starter can charge up to a V8, 5.4L gas engine. The unit is made with flame retardant material, features overheating protection and is equipped with AI Technology for faster device charging.