500 Amp UltraSafe Lithium Jump Starter

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 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 gas engines up to 4 liters.

Compact, yet powerful lithium jump starter rated at 500 amps 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 allows 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 such as ATVs, motorcycles, cars, lawn equipment, and more.
New Accessory: Includes Precision Boost Battery Clamps designed to easily connect to any 12V lead-acid battery from powersports to trucks.
WARNING: California’s Proposition 65

Technical Specifications.

What's In The Box

GB20 Lithium Battery Jump Starter
Powersport Boost Battery Clamps
USB Cable
Microfiber Storage Bag
Safety & Warranty Information

Starting Current

500 Amps (Peak)

Battery Types

12 Volt Lead-Acid Batteries

Internal Battery

24 Watt-Hour Lithium-Ion

USB Input

5 Volts 2.1 Amps Max

USB Output

5 Volts 2.1 Amps Max

Gas Engine Rating

Up to 4.0 Liters

Diesel Engine Rating

Not Recommended

LED Flashlight

100 Lumens

Product Size

Height: 3.16 Inches (80.3 mm)
Width: 7.72 Inches (196.0 mm)
Depth: 1.71 Inches (43.4 mm)
Weight: 2.45 lbs (1.11 kg)

IP Rating

IP65 (w/ Ports Closed)

Limited Warranty

1-Year Hassle-Free Warranty