NOCO Genius Boost is the ultimate portable starter kit with lithium-ion battery. It has NOCO patented safety technology that provides non-sparking connections and protection against reverse polarity, 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 and many more. Designed for any 12V application, NOCO Genius Boost will launch cars, boats, RVs, trucks and more - both gas engines and diesel engines.