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 seven light modes, holds its charge for up to one year and features a USB battery pack for recharging personal devices on the go - up to 4 smartphone recharges. It's rated at 1,000 Amps (7,000 Joules3S), and suitable for use on gasoline engines up to 6 Liters and up to 3 Liter diesel engines, such as a car, van, boat, SUV, truck and more. Includes the GB40, needle-nose battery clamps, USB charging cable, microfiber storage bag, our 1-year hassle-free limited warranty, and free lifetime customer support Other commonly used search terms include: jump starter,jumper cables,car jump starter,battery jumper,car starter,car battery jump starter,car jumper,jump pack,car jump,jump starter power bank,battery booster,battery jump,jumper pack,jumper battery,battery jump pack,portable jump starter,jumpstart,jumper starter,battery jump box,jump starters,jump starter with compressor,genius boost,booster pack,portable car battery jump starter,jump starter pack,jumper box portable power,jumper box,jump starter air compressor,jump starter kit,jump battery,noco genius boost,lithium jump starter, jumper starter diesel, diesel jump starter, battery jump starter.