Wolfbox MegaFlow24 Pro
#2 in CordlessFull review
For SUV and pickup owners who want cordless convenience without the slow fills of pocket-size inflators.
Amazon $89.99$89.99
The Wolfbox MegaFlow24 Pro rates 4.1 among cordless tire inflators; the VIAIR 300P rates 3.3 among heavy duty ones. The Wolfbox MegaFlow24 Pro costs $59.96 less ($89.99 vs $149.95).
VIAIR 300P
#7 in Heavy dutyFull review
For truck, Jeep and SUV owners who air down on weekends and want a proven compressor at a sensible price. Bigger tires or long sessions call for a 400P or 450P.
Amazon $158.06 VIAIR $149.95$149.95
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (cordless and heavy duty), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Wolfbox MegaFlow24 Pro | VIAIR 300P |
|---|---|---|
| Overall rating | 4.1/5 | 3.3/5 |
| Value 35% | 60 $89.99 | 83 $149.95 |
| Airflow 30% | 100 45 L/min (maker) | 31 65.1 L/min (maker) |
| Features 20% | 85 auto shutoff, 150 PSI max | 60 runs 30 min at a time, 150 PSI max; no auto shutoff |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
Specifications
| Wolfbox MegaFlow24 Pro | VIAIR 300P | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 150 PSI |
| Airflow (maker) | 45 L/min | 65.1 L/min |
| Auto shutoff | Yes | No |
| Duty cycle | - | 30 min on |
| Noise | - | 78 dB |
| Power | ||
| Power | Built-in battery | Battery clamps |
| Battery | 44.4 Wh | - |
| Power bank | Yes | No |
| Power cord | - | 8 ft |
| Build | ||
| Air hose | 20 in | 300 in |
| Light | Yes | No |
| Dimensions | - | 9.0 x 4.9 x 7.5 in |
| Weight | 3.1 lb | 8.7 lb |
| Warranty | 2 years | 1 year |
| Released | 2024-06 | 2024-04 |