The GB40 is an ultra-portable, lightweight, and compact portable lithium car battery jump starter pack for 12-volt batteries. With it, you can safely jump start a dead battery in seconds - up to 20 times on a single charge. It's a mistake-proof portable car battery jump starter battery booster pack, making it safe for anyone to use and features spark-proof technology, as well as reverse polarity protection. The GB40 portable car battery jump starter integrates with a high-output 100 lumen LED flashlight with 7 light modes. Including low, medium, high, flashing, strobe, and emergency SOS. It can hold its charge for up to one year without being recharged. Its internal battery can be used to recharge any personal mobile devices like smartphones, tablets, or any other USB device, can be recharged by any powered USB port. It's rated at 1000-amps, and suitable for use on gasoline engines up to 6 Liters and diesel engines up to 3 Liters, such as a car, boat, lawnmower, and more. Included is the GB40 battery booster jump starter pack, heavy-duty battery clamps, USB charging cable, 12-volt USB car charger, microfiber storage bag, a 1-year limited, and lifetime customer support. 40-inch USB cable

More about this item:

• Compact, yet powerful lithium jump starter rated at 1,000 Amps - up to 20 jump starts on a single charge.
• An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery.
• An ultra-bright 100 lumen LED flashlight with 7 light modes, including SOS and emergency strobe.
• Recharge your personal devices on the go, like smartphones, tablets, e-watches and more - up to 4 smartphone recharges.
• Designed for gas engines up to 6 Liters and diesel engines up to 3 Liters for cars, boats, lawn mowers and more.