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NOCO GB20 Boost Sport 12V Lithium Jump Starter


The GB20 is a compact, yet powerful 400 Amp lithium-ion jump starter that delivers 4,650 Joules of starting power. Its patented safety technology features spark-proof technology and reverse polarity protection making it safe for anyone to use. Designed for use with gas engines up to 4 liters and doubles as a portable power source for recharging smartphones, tablets and more.

Recommended for engines up to 4.0L.

Pricing: $79.95




  • Compact, yet powerful lithium jump starter rated at 400 Amps (4,650 Joules3S) - up to 20 jump starts on a single charge
  • An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery
  • An ultra-bright 100 lumen LED flashlight with 7 light modes, including SOS and Emergency Strobe
  • Recharge your personal devices on the go, like smartphones, tablets, e-watches and more - up to 4 smartphone recharges
  • Designed for gas engines up to 4 Liters for motorcycles, ATVs, lawn mowers, cars and more (not recommended on diesel applications)

8X Lighter and Smaller
More power and only a fraction of the size, the GB20 fits perfectly in your glove box as the ultimate emergency tool.

A wide range of applications
More power and only a fraction of the size, the GB20 fits perfectly in your glove box as the ultimate emergency tool.

20X Jump starts per charge
Recharge the unit from any USB port or 12V port. It holds its charge 4 times longer than leading traditional jump starters. Keep it in your glovebox with minimal battery charge loss.

Heavy duty precision clamps
The GB20 specifically comes with needle-nosed clamps for smaller battery applications and terminals. The clamps have integrated eyelets to detach and mount separately to the battery.

Efficient, compact design
Power for power, it outperforms traditional lead-acid battery jump starters at a faction of the size and weight. Over 10X smaller and 8X lighter, its lithium powered design makes it more compact and portable than ever before.

Stay Charged
The built in 2.1A USB out port can power all of your USB devices, like iPhones, tablets, GoPros, GPS and more.

Dual LED flashlight
Equipped with an ultra-bright dual LED flashlight with 7 including SOS and emergency strobe. A powerful wash light will help you see your engine or changing a tire at night or use signal oncoming traffic when you need roadside assistance.

What's Included in the Box

  • GB20
  • Eyelet Integrated Powersport Clamps
  • Micro USB Cable
  • Carrying Bag
  • User Guide & Warranty Information

Technical Specifications

  • Starting Current 400 Amps (Peak)
  • Joules 3S Rating 4650 J3S
  • Battery Types 12 Volt Lead-Acid Batteries
  • Internal Battery 24 Watt-Hour Lithium-Ion
  • USB Input 2.1 Amps
  • USB Output 2.1 Amps
  • Gas Engine Rating 4.0 Liters
  • Diesel Engine Rating Not Recommended
  • LED Flashlight 100 Lumens


  • GB20
  • GB20
  • 046221150018
  • NOCO
  • New

Shipping Information

  • Item Requires Shipping
  • 2.7 lbs.
  • W8.1900” x H4.6100” x L4.2100”