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GB20 geniusBOOST SPORT | Lithium Jump Starter


Safely jump-start a dead battery in seconds with the NOCO GB20 geniusBOOST SPORT 400A Lithium Jump Starter.

GB20 Booster Pack Jump Starter

This powerful battery booster is designed for jump starting cars, boats, motorcycles, RVs, and other applications with gas engines up to 4 liters. It also doubles as a portable power source for recharging USB devices, such as smartphones, tablets, bluetooth headphones and speakers, GoPros, and more!


  • Reverse polarity protection
  • 100% Spark-proof
  • Can jump start up to 20X on a single charge
  • Dual ultra-bright LEDs
  • 7 light modes including flashlight and emergency strobe
  • USB port – 2.1A USB Out and 2.1A Micro USB In
  • Charge smartphones, tablets, GPS and more.
  • Compact design – fits perfectly in the glovebox or other storage areas in your vehicle
  • Rechargeable – keep Boost charged from any powered USB port, like a laptop or phone charger.
  • Easy to use – design is extremely intuitive
  • Includes: GB20 Jump Starter, 40” USB to Micro USB Cable, HD Battery Clamps, User Guide & Warranty.



Part # GB20
Internal Battery
Lithium Ion
Peak Current Rating
Operating Temp.
-30°C (-22°F) to +50°C (122°F)
Micro USB (Input)
5V, 2.1 Amps
USB (Output)
5V, 2.1 Amps
Housing Protection IP65 (with ports closed)
2.1 lbs.
LxWxH (in.)
6.7 x 3.2 x 1.7


View / Download GB20 Spec Sheet