2000 Amp Ultra Safe Lithium Jump Starter The GB70 is a portable lithium-ion battery jump starter pack that delivers 2, 000-amps (15, 700 J3S) for jump starting a dead battery in seconds. It features a patented safety technology that provides spark-proof connections & reverse polarity protection making safe & easy for anyone to use. It's a powerful battery booster that doubles as a portable power source for recharging USB (Universal Serial Bus) devices, like a smartphone, tablet & more, or powering 12-volt devices, like a tire inflator, power inverter & much more. Designed for a car, boat, RV, truck & more with gas engines up to 8 liters, & diesel engines up to 6 liters. A lithium battery jump starter rated at 2, 000 Amps (15, 700 Joules 3S). Spark-proof connections & reverse polarity protection. Recharges USB (Universal Serial Bus) devices, like smartphones, tablets, & more. Power 12V devices anywhere, like tire inflators, power inverters, & more. 400 lumen LED flashlight with multiple modes, including SOS. Jump starts gas engines up to 8 liters, & diesel engines up to 6 liters. Provides up to 40 jump starts on a single charge.