Monday - Friday | 8am - 5pm est

GB500 geniusBOOST MAX | Lithium Jump Starter


Safely jump-start a dead battery in seconds with the NOCO GB500 geniusBOOST MAX 20,000A, dual 12V and 24V, Lithium Jump Starter.

GB500 Booster Pack Jump Starter

This dual 12V and 24V lithium booster pack is designed for jump starting gas and diesel engines in Class 8+/CE high-displacement vehicles and equipment, including: trucks, semis, buses, HGV, fleet vehicles, construction equipment, commercial vehicles and more. The Boost Max is 400% smaller and lighter than its closest lead-acid equivalent. It also has the ability to power 12-volt devices like tire inflators and power inverters, as well as recharge USB devices such as smartphones, tablets, GoPros, and bluetooth speakers.


  • Reverse polarity protection, 100% Spark-proof
  • 12V and 24V modes
  • Recommended for up to Class 8+ & Class CE gas and diesel engines
  • 2,200 lumen ultra-bright work light
  • Light modes: Cold & Hot LED indicators, flashlight, emergency strobe and more!
  • Provides remote power with the included 12V plug for tire pumps, inverters
    and compressors.
  • Two USB OUT ports – 2.1A
  • Charge smartphones, tablets, GPS and more.
  • Easy to use, intuitive design
  • Compact design – 8X lighter16X smaller, and 30% more powerful than its lead acid "equivalent.".
  • Rechargeable – AC power or 12V car adapter.
  • Holds a charge 4X longer than the traditional leading jump starters 
  • Includes: GB500 Lithium Battery Jump Starter, 24-inch 2/0 AWG Connectors, 56-watt XGC Power Adapter, 12V Female Plug, 12V Male Plug, 12V 2-foot XGC Cable, Protective Carrying Case, User Guide & Warranty.



Part # GB500
Internal Battery
Lithium Ion
Peak Current Rating
20,000A (12V), 10,000A (24V)
Joules 80,000+ (12V), 40,000+ (24V)
Operating Temp.
-30°C (-22°F) to +50°C (122°F)
Charging Temp. 0°C (32°F) to +40°C (104°F)
12V (Input/Output) 12V, 5A IN / 12V, 15A OUT
USB (Output)
Dual 5V, 2.1A
Housing Protection IP65 (with ports closed)
19.25 lbs.
LxWxH (in.)
12.3 x 8.2 x 6.3


View / Download GB500 Spec Sheet