The BPOWER GBC700 is a portable starting device for 12-cylinder gasoline and diesel vehicles with a capacity of 7000 cm3 or smaller. The device is light and small due to the use of high-current lithium-ion batteries. BPOWER GBC700 has reverse polarity protection, making it safe and easy to use for everyone. It is not only a powerful battery amplifier, but also a portable power source for charging USB devices such as smartphone, tablet, travel fridge and many more. Designed for any 12V application, the BPOWER GBC700 will launch cars, boats, RVs, trucks and more - both gas engines and diesel engines.