Jump Start a Dead Battery in Seconds! The GB40 is a portable lithium-ion battery jump starter pack that delivers 1,000-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. Designed for a car, boat, RV, truck and more with gas engines up to 6 liters, and diesel engines up to 3 liters. 6.0L GAS | 3.0L DIESELRecommended for gas engines up to 6 Liters and diesel engines up to 3 Liters for cars, boats, lawn mowers and more. ULTRA-SAFEMistake-proof and safe for anyone to use with spark-proof technology and reverse polarity protection. 20 JUMP STARTSSafely jump start a dead battery in seconds - up to 20 times on a single charge. A rechargeable lithium-powered LED flashlight with seven light modes, including SOS and Emergency Strobe. With multiple luminosity settings, it is immediately adaptable to a variety of situations. Using it's powerful wash light will help you see your engine, help you change a tire at night, or even warn oncoming traffic when you are in need of roadside assistance. Features: 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. WARNING: California’s Proposition 65 Specifications: Starting Current 1,000 Amps (Peak) Battery Types 12 Volt Lead-Acid Batteries Internal Battery 24 Watt-Hour Lithium-Ion USB Input 2.1 Amps USB Output 2.1 Amps Gas Engine Rating 6.0 Liters Diesel Engine Rating 3.0 Liters LED Flashlight 100 Lumens Product Size• Height: 7.7 Inches (196.0 mm)• Width: 3.2 Inches (80.3mm)• Depth: 1.7 Inches (43.4mm)• Weight: 2.45lbs (1.11kg)