HULKMAN Alpha85S vs WOLFBOX MV24A (MegaVolt 24Air)
HULKMAN Alpha85S
WOLFBOX MV24A (MegaVolt 24Air)
The short answer
WOLFBOX MV24A (MegaVolt 24Air) comes out ahead overall with 7.5/10 against 6.5/10 for the HULKMAN Alpha85S. HULKMAN Alpha85S is stronger on ease of use & safety features. WOLFBOX MV24A (MegaVolt 24Air) is stronger on starting power, battery capacity & standby, versatility, battery safety & sustainability and value. At current verified prices, the WOLFBOX MV24A (MegaVolt 24Air) costs about $160.00 less.
- Choose the HULKMAN Alpha85S if: Drivers in sub-zero climates with gas half-ton trucks or SUVs (not HD diesels) who want automatic cell pre-heat.
- 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 | HULKMAN Alpha85S | WOLFBOX MV24A (MegaVolt 24Air) |
|---|---|---|
| Starting Power | 6.52,000A; failed AutoGuide's 6.5L diesel test after two cranks; fine for gas (TechGearLab) | 7.54,000A and a real diesel F-350 start (PopSci), but officially rated for only 6L diesel |
| Battery Capacity & Standby | 7.074 Wh unmeasured; -40°F floor is claim-only | 7.588.8 Wh (rated); worked at 0°F in PopSci's real-world use |
| Ease of Use & Safety Features | 7.5Pre-heat and READY indicator are claimed features; 3.3-inch display | 7.0Good protections and display; no charging adapter included; short hose |
| Build Quality & Durability | 7.0IP65 and 2-year guarantee; overheated in AutoGuide's testing | 7.0IP64; 2-year warranty per manufacturer |
| Versatility | 6.565W USB-C; no compressor | 8.5160 PSI inflator, 65W USB and a light |
| Battery Safety & Sustainability | 6.0Li-polymer; no UL certification stated | 6.5Manufacturer states UL 2743 and UN38.3 (unverified) |
| Value | 5.0$300 for a 2,000A pack | 8.0$140 for a pack and compressor with independent cold and diesel use |
Specifications
| Spec | HULKMAN Alpha85S | WOLFBOX MV24A (MegaVolt 24Air) |
|---|---|---|
| Peak Current | 2,000 A | 4,000 A |
| Max Gas Engine (rated) | 8.5 L | 10 L |
| Max Diesel Engine (rated) | 6 L | 6 L |
| Battery Chemistry | Lithium polymer | Lithium (cell type not stated) |
| Rated Capacity | 74 Wh | 88.8 Wh |
| Weight | 3.6 lb | 5.3 lb |
| Built-in Air Compressor | No | Yes |
| Compressor Max Pressure | — | 160 PSI |
| Max USB Output | 65 W | 65 W |
| Water/Dust Rating | IP65 | IP64 |
| UL 2743 Stated by Manufacturer | — | Yes |
| Min Operating Temperature (rated) | -40 °F | -4 °F |
| Automatic Cell Preheat for Extreme Cold | Yes | No |
HULKMAN Alpha85S
Pros
- Automatic cell pre-heat
- TechGearLab scored it 80 on gas vehicles
- 3.6 lb and IP65
- 65W USB output
Cons
- Failed to start a 6.5L diesel in AutoGuide's test
- Cold rating untested independently
- Expensive
- No carrying case
- Engine ratings differ between listings
A niche pick for gas half-tons and SUVs in very cold places. Diesel owners should choose the NOCO, WOLFBOX or Clore.
Full HULKMAN Alpha85S 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.