The GB150 is a portable lithium-ion battery jump starter pack that delivers 4,000-amps (22,500 J3S) for jump starting a dead battery in seconds. It features a patented safety technology that provides spark-proof connections and reverse polarity protection making safe and easy for anyone to use. It’s a powerful battery booster that doubles as a portable power source for recharging USB devices, like a smartphone, tablet and more, or powering 12-volt devices, like a tire inflator, power inverter and much more. Designed for a car, boat, RV, truck and more with both gas and diesel engines up to 10 liters and more.