NOCO Boost Plus GB40 vs GB50: Which Jump Starter Is Better?
Compare the NOCO GB40 and GB50 jump starters on peak amps, battery capacity, size, and price to find the best fit for your vehicle and budget.
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NOCO Boost Plus GB40
Compact, lightweight, and powerful enough for most vehicles. Ideal for everyday drivers and small to mid-size engines.
Check priceNOCO GB50
More peak amps and higher capacity for bigger engines, but larger and heavier. Great for trucks, SUVs, and frequent use.
Check priceThe GB40 wins for most drivers due to its compact size, lower price, and sufficient power for standard cars. Choose the GB50 only if you regularly jump-start large trucks or need extra reserve capacity.
Spec by spec
Highlighted cell wins that row.
| NOCO Boost Plus GB40 | NOCO GB50 | |
|---|---|---|
| Peak Amps | 1000A | 1500A |
| Battery Capacity | 24 Wh (6.5 Ah) | 36 Wh (10 Ah) |
| Weight | 2.4 lbs (1.1 kg) | 3.8 lbs (1.7 kg) |
| Dimensions | 6.4 x 3.2 x 1.6 in | 8.5 x 4.0 x 2.0 in |
| Engine Compatibility | Up to 6.0L gas / 3.0L diesel | Up to 8.0L gas / 6.0L diesel |
| USB Charging Output | 2.1A (1 port) | 2.1A (2 ports) |
| Price Range | Lower | Higher |
Who should buy which
- + Drivers of sedans, coupes, hatchbacks, and small SUVs
- + Those who prioritize portability and storage ease
- + Budget-conscious buyers wanting reliable performance
- + Owners of large trucks, vans, and diesel vehicles
- + Users who need multiple jump starts per charge
- + People who want extra USB ports for charging devices
Quick questions
Can the GB40 jump-start a diesel truck?
The GB40 is rated for engines up to 3.0L diesel. For larger diesel engines (over 3.0L), the GB50 is recommended for reliable starting.
How many jumps can you get from a full charge?
The GB40 typically provides 20+ jumps on a full charge for a standard car battery. The GB50 offers more capacity, yielding 30+ jumps or more for larger batteries.
Which model is better for emergency kits?
The GB40 is more compact and lighter, making it easier to store in a glove box or under a seat. The GB50 is larger but still portable for trunk storage.
Do both units have a built-in flashlight?
Yes, both the GB40 and GB50 include an LED flashlight with SOS and strobe modes. The flashlight is useful for nighttime emergencies or roadside repairs.
Can these jump starters charge a phone or tablet?
Yes, both models have USB output ports. The GB40 has one 2.1A port, while the GB50 has two 2.1A ports, allowing you to charge two devices simultaneously.