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 it safe and easy for anyone to use. It's a powerful battery booster that doubles as a portable power source for recharging USB devices like smartphones, tablets, and more. Designed for a car, boat, motorcycle, RV, and more with gas engines up to 4 liters.

• UltraSafe™ reverse polarity protection, spark proof
• Ideal for a wide range of small engine to larger vehicle applications
• Dual ultra-bright LED’s, 7 light modes including flashlight and emergency strobe
• 1 Year limited warranty
• GB Boost jump starter included
• 40” USB to micro USB cable included
• 12V/2.1A USB charger included
• Battery clamps included
• Drawstring storage bag included
• User guide and warranty included
• Internal Battery: Lithium Ion