500 Amp UltraSafe Lithium Jump Starter The GB20 is a portable lithium-ion battery jump starter pack that delivers 400-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. * A lithium battery jump starter rated at 500 Amps * Spark-proof connections and reverse polarity protection * Recharges USB devices, like smartphones, tablets, and more * 100 lumen LED flashlight with multiple modes, including SOS * Jump starts gas engines up to 4 liters * Provides up to 20 jump starts on a single charge * Designed for a car, boat, motorcycle, RV and more with gas engines up to 4 liters | Article: NOCO GB20 Battery Jump Starter Lithium 12V 400A | Article: NOCO GB20 Battery Jump Starter Lithium 12V 400A