The G02 is an ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries. With it, you can safely jump start a **** 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 G02 lithium jump starter integrates with a high-output dual LED flashlight with 7 light modes, holds its charge for up to one year and features a USB battery pack for recharging personal devices on the go. It's suitable for use on vehicles up to 4 liters (4000cc), such as a car, boat, truck, RV, motorcycle, ATV, lawn mower and more,also can be suited 2.5L diesel powered engines. Truly, we've designed the G02 to be the ultimate emergency roadside tool.