NOCO GBX155 vs WOLFBOX MV24A (MegaVolt 24Air)
WOLFBOX MV24A (MegaVolt 24Air)
The short answer
NOCO GBX155 comes out ahead overall with 7.8/10 against 7.5/10 for the WOLFBOX MV24A (MegaVolt 24Air). NOCO GBX155 is stronger on starting power, battery capacity & standby and build quality & durability. WOLFBOX MV24A (MegaVolt 24Air) is stronger on versatility, battery safety & sustainability and value. At current verified prices, the WOLFBOX MV24A (MegaVolt 24Air) costs about $229.96 less.
- Choose the NOCO GBX155 if: Owners of 3/4- and 1-ton diesel pickups or big gas V8s who want the best-tested lithium power and can store the pack somewhere warm.
- Choose the WOLFBOX MV24A (MegaVolt 24Air) if: Truck owners in cold regions with half-ton pickups or diesels up to about 6L who also want tire air.
Scores by criterion
| Criterion | NOCO GBX155 | WOLFBOX MV24A (MegaVolt 24Air) |
|---|---|---|
| Starting Power | 9.34250A; best results in TechGearLab's test. | 7.54,000A and a real diesel F-350 start (PopSci), but officially rated for only 6L diesel |
| Battery Capacity & Standby | 9.086.1 Wh measured, the most usable energy in the pool. | 7.588.8 Wh (rated); worked at 0°F in PopSci's real-world use |
| Ease of Use & Safety Features | 7.0Buttons and indicators are less clear than rivals' (TechGearLab). | 7.0Good protections and display; no charging adapter included; short hose |
| Build Quality & Durability | 7.5Solid build but 5.8 lb, no case, no IP rating confirmed. | 7.0IP64; 2-year warranty per manufacturer |
| Versatility | 7.560W USB-C PD; no compressor. | 8.5160 PSI inflator, 65W USB and a light |
| Battery Safety & Sustainability | 6.0Spark-proof and reverse-polarity protection; 99 Wh; no UL 2743 confirmed. | 6.5Manufacturer states UL 2743 and UN38.3 (unverified) |
| Value | 5.5About $370, roughly 3x the MV24's price. | 8.0$140 for a pack and compressor with independent cold and diesel use |
Specifications
| Spec | NOCO GBX155 | WOLFBOX MV24A (MegaVolt 24Air) |
|---|---|---|
| Peak Current | 4,250 A | 4,000 A |
| Max Gas Engine (rated) | 10 L | 10 L |
| Max Diesel Engine (rated) | 8 L | 6 L |
| Battery Chemistry | Lithium-ion | Lithium (cell type not stated) |
| Rated Capacity | 99 Wh | 88.8 Wh |
| Measured Usable Capacity (TechGearLab) | 86.1 Wh | — |
| Weight | 5.8 lb | 5.3 lb |
| Built-in Air Compressor | No | Yes |
| Compressor Max Pressure | — | 160 PSI |
| Max USB Output | 60 W | 65 W |
| Water/Dust Rating | IP65 (ports closed) | IP64 |
| UL 2743 Stated by Manufacturer | — | Yes |
| Min Operating Temperature (rated) | -4 °F | -4 °F |
| Automatic Cell Preheat for Extreme Cold | No | No |
NOCO GBX155
Pros
- Highest-scoring unit in TechGearLab's test
- Rated for 10L gas and 8L diesel
- 86.1 Wh measured usable battery
- Spark-proof and reverse-polarity protection
- Sold directly by Amazon
Cons
- Premium price
- Heavy at 5.8 lb, with no storage case
- Buttons and indicators are less clear than rivals'
- No air compressor
The pick for owners of large diesels and fleet vehicles who value proven power over price. Most drivers get more for their money elsewhere.
Full NOCO GBX155 review →WOLFBOX MV24A (MegaVolt 24Air)
Pros
- Documented use at 0°F
- Built-in 160 PSI inflator
- 4,000A and 88.8 Wh
- Moderate price for the power
- Manufacturer states UL 2743 and a 2-year warranty
Cons
- Official diesel rating is only 6L
- Charging adapter not included in the Amazon listing
- Inflator hose can be short for large wheels
- Rated operating floor is -4°F
The best all-in-one for half-ton pickups and cold-region owners with moderate diesels. It sits a hair below the NOCO on score, and the order is close to a tie.
Full WOLFBOX MV24A (MegaVolt 24Air) review →Both products are part of our guide The Best Jump Starters for Cold Weather & Diesel Trucks of 2026, where you can see every pick, how we score and current prices from each retailer.