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 is the better tire inflator overall, rated 4.1 to 3.5. The Wolfbox MegaFlow24 Pro leads on airflow, value and features. The Milwaukee M12 Inflator 2475-20 wins on warranty. The Wolfbox MegaFlow24 Pro costs $22.01 less ($89.99 vs $112).
Milwaukee M12 Inflator 2475-20
#17 in CordlessFull review
For M12 owners who want a compact cordless inflator for car tires and top-ups. M18 owners or anyone with truck tires should look at the faster 2848-20.
Amazon $112$112
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.
Which should you buy?
- Choose the Wolfbox MegaFlow24 Pro for airflow (45 L/min (maker) vs 24.9 L/min (maker)), value ($89.99 vs $112 without battery) and features (auto shutoff, 150 PSI max vs auto shutoff, 120 PSI max).
- Choose the Milwaukee M12 Inflator 2475-20 for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cordless tire inflator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Wolfbox MegaFlow24 Pro | Milwaukee M12 Inflator 2475-20 |
|---|---|---|
| Overall rating | 4.1/5 | 3.5/5 |
| Value 35% | 60 $89.99 | 45 $112 without battery |
| Airflow 30% | 100 45 L/min (maker) | 33 24.9 L/min (maker) |
| Features 20% | 85 auto shutoff, 150 PSI max | 75 auto shutoff, 120 PSI max |
| Warranty 15% | 50 2-year warranty | 100 3-year warranty |
Specifications
| Wolfbox MegaFlow24 Pro | Milwaukee M12 Inflator 2475-20 | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 120 PSI |
| Airflow (maker) | 45 L/min | 24.9 L/min |
| Auto shutoff | Yes | Yes |
| Duty cycle | - | 50% |
| Power | ||
| Power | Built-in battery | Milwaukee M12 battery (sold separately) |
| Battery | 44.4 Wh | - |
| Power bank | Yes | - |
| Build | ||
| Air hose | 20 in | 26 in |
| Light | Yes | Yes |
| Dimensions | - | 7.5 x 6.5 x 6.5 in |
| Weight | 3.1 lb | 3.5 lb |
| Warranty | 2 years | 3 years |
| Released | 2024-06 | 2018-05 |