NOCO Boost Sport 500A UltraSafe Lithium Jump Starter GB20

The GB20 is a portable lithium-ion battery jump starter pack that delivers 500-amps (4,650 J3S) 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's 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 engines up to 4ltr.

Features:
• A lithium battery jump starter rated at 500 Amps (4,650 Joules3S).
• Spark-proof