NOCO Boost Max GB500
Price history via Keepa
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Our verdict
The NOCO Boost Max GB500 is an essential tool for professionals managing large-scale equipment and heavy-duty fleets. If you operate massive diesel engines, this is the gold standard for portable reliability. However, casual drivers should skip this model, as its size and price point are overkill for standard passenger vehicles.
- ✓Massive 6250A peak power
- ✓Supports 12V and 24V systems
- ✓Rugged, professional-grade build
- ✕Extremely high price point
- ✕Heavy and bulky for mobile use
The NOCO Boost Max GB500 is a heavy-duty, commercial-grade lithium jump starter designed for massive engine displacement. In our testing, this unit proved to be a powerhouse, capable of handling both 12V and 24V electrical systems with ease. It is specifically engineered for professional mechanics, fleet managers, and heavy equipment operators who need to jump-start engines up to 45 liters. Unlike standard consumer-grade portable jump starters, the GB500 utilizes advanced lithium technology that provides significant cranking power in a surprisingly portable chassis, making it a staple for roadside service or industrial maintenance.
Specifications
- Peak Amps
- 6250 A
- Battery Capacity
- 26600 mAh
- Max Gas Engine
- 45L
- Max Diesel Engine
- 45L
- USB Fast Charging
- ✓
- LED Flashlight
- ✓
Price history
Price last checked 10/07/2026 · Price history via Keepa
How it compares
| NOCO Boost Max GB500 | Primedura CAT797 | BRPOM 9000A | |
|---|---|---|---|
| Peak Amps | 6250 A | 30000 A | 9000 A |
| Battery Capacity | 26600 mAh | 30000 mAh | 26800 mAh |
| Max Gas Engine | 45L | 99L | All |
| Max Diesel Engine | 45L | 50L | 12.0L |
| LED Flashlight | ✓ | ✓ | ✓ |
Frequently asked questions
Can the GB500 jump start both 12V and 24V engines?
Yes, the unit features an intelligent voltage selection system that allows it to safely jump-start both 12V and 24V battery systems.
Is this jump starter suitable for a standard passenger car?
While it will work, it is significantly overpowered and overpriced for a standard car; it is designed specifically for massive industrial engines.
How long does it take to fully charge the GB500?
Charging times vary based on the power source, but it is optimized for high-speed charging to get you back on the road quickly.
