The GB50 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 30 times on a single charge. The Boost XL is safe for anyone to use, featuring spark-proof technology, as well as reverse polarity protection.

It's rated at 1,500 Amps, and suitable for use on gasoline engines up to 7 liters and up to 4.5 liter diesel engines, such as a car, van, boat, SUV, truck and more. Included with the GB50, the new HD Precision Boost Battery Clamps easily connect to any 12V lead-acid battery from lawn mowers to trucks, USB charging cable, microfiber storage bag, our 1-year hassle-free limited warranty, and free lifetime customer support.

• Ultra-safe and mistake-proof design with spark-proof technology
• An ultra-bright 200 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 6 smartphone recharges.
• Designed for gas engines up to 7 liters and diesel engines up to 4.5 liters for small diesel cars, SUVs, boats, trucks, ATVs, motorcycles and more.
• New Feature: Hot and Cold LED indicators of the internal battery operating temperatures to protect your batteries and devices.