The GB40 is an ultra-portable, lightweight and compact lithium-ion jump starter 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 mistake-proof, making it safe for anyone to use and features spark-proof technology, as well as reverse polarity protection. The GB40 lithium 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, and holds its charge for up to one year. 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, HD battery clamps, USB charging cable, USB car charger, microfiber storage bag, and a 1-Year Hassle-Free Limited, plus Free Lifetime Customer Support. Other commonly used search terms: jump stater, jump starter for cars, jump starter car, car jump starter, jump starter battery, jump starter portable, portable jump starter, car jump starter portable, jump starter pack, jump starter battery pack, noco, noco boost, noco genius boost, noco gb40, noco genius gb40, noco boost gb40, jump starter noco, jump starter power pack, jump starter lithium, jump starter power bank, jump starter battery charger, portable car battery jump starter, jump starter battery booster, jump starter for trucks, jump starter truck, automotive jump starter, jump starter heavy duty, battery booster jump starter pack, jump starter charger, battery jumper starter, battery jump started, battery jump starter, battery jump start, car battery jump starter, battery jumper, battery jump box, battery jump pack, battery jump starter portable, battery jumper cables, battery jump cable, jump starter battery pack Start dead batteries with a compact, yet powerful lithium jump starter rated at 1000 Amps – up to 20 jump starts on a single charge. Connect to any lead-acid battery safely with our ultra-safe, mistake-proof design featuring spark-proof technology and reverse polarity protection. An integrated LED flashlight with seven light modes, including low, medium, high, flashing, strobe and emergency SOS; plus 6-hours of continuous run time. Recharge smartphones, tablets, and other USB devices when you need them most; plus, recharge from any powered USB port. Safely jump start a dead battery in seconds on most gasoline engines up to 6 liters and diesel engines up to 3 liters.