The Allstart Ultra Boost Jump Starter, No. 590, produces 4,000A starting power. From gasoline engines to diesel and high-compression engines, Ultra Boost is capable of starting them all in seconds and has a power-to-weight at under 6 lbs, the company says. The boost feature supplies additional power needed for low voltage batteries. The rugged, compact unit has six safety protections for safe, simple starts and integrated, 18" jump starting cables with heavy duty clamps at each end. With dual USB charging ports and a quick charge feature, the unit provides fast device recharges. Additionally, it offers a flip-up COB worklight and a multi-mode LED flashlight. A charging adapter and USB cable are included.