The GB20 is a portable lithium-ion battery jump starter pack that delivers 500-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 is 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, motorcycle, RV and more with gas engines up to 4 liters.

Product Features:

• Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 500-amp portable lithium car battery jump starter pack - up to 20 jump starts on a single charge - and rated for gasoline engines up to 4 liters.
• In The Box - GB20 Ultra Safe Portable Lithium Car Battery Jump Starter Pack, Needle-Nose Battery Clamps, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, and Designed in the USA.