The GB150 is a portable lithium-ion battery jump starter pack that delivers 3,000-amps 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 engines up to 9.0L and diesel engines up to 7.0L. Compact, yet powerful lithium jump starter rated at 3,000 amps up to 80 jump starts on a single charge. An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allows it to safely connect to any battery. An ultra-bright 500 lumen LED flashlight with 7 light modes including SOS and emergency strobe. Power 12V devices anywhere, like tire inflators, power inverters, and more. Recharge your personal devices on the go, like smartphones, tablets, e-watches and more - up to 6 smartphone recharges. Designed for both gas engines up to 9.0 liters and diesel engines up to 7.0 liters for cars, SUVs, trucks, boats, RVs, and more. This product is perfectly paired with a Matson Wirelss Battery Monitor!.