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 3.6. The Wolfbox MegaFlow24 Pro leads on value and airflow. The Milwaukee M18 Inflator 2848-20 wins on warranty. The Wolfbox MegaFlow24 Pro costs $75 less ($89.99 vs $164.99).
Milwaukee M18 Inflator 2848-20
#11 in CordlessFull review
For M18 owners with trucks or several vehicles who want the fastest cordless fill and don’t mind the price.
Amazon $164.99$164.99
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 value ($89.99 vs $164.99 without battery) and airflow (45 L/min (maker) vs 39.9 L/min (maker)).
- Choose the Milwaukee M18 Inflator 2848-20 for warranty (5-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 M18 Inflator 2848-20 |
|---|---|---|
| Overall rating | 4.1/5 | 3.6/5 |
| Value 35% | 60 $89.99 | 10 $164.99 without battery |
| Airflow 30% | 100 45 L/min (maker) | 83 39.9 L/min (maker) |
| Features 20% | 85 auto shutoff, 150 PSI max | 88 auto shutoff, runs 20 min at a time, 150 PSI max |
| Warranty 15% | 50 2-year warranty | 100 5-year warranty |
Independent measurements
Wolfbox MegaFlow24 Pro
No independent test published yet.
Milwaukee M18 Inflator 2848-20
| Tested by | Inflate time | Airflow | Noise | Conditions |
|---|---|---|---|---|
| Car and Driver | 94 s | - | 87.3 dB | 245/50R20 tire on a Hyundai Santa Cruz, timed from 10 to 30 psi (94 s); 167 s from 10 to 45 psi. Noise is the average dBA over 15 seconds of running. |
| Outdoor Life | 186 s | - | 76.5 dB | LT275/65R18 truck tire from unreadable (near 0) to 25 psi, at about freezing in light snow. Noise measured 18 in away with a decibel meter. Reached 50 psi in 6:39 on an M18 XC 5.0 Ah battery. |
| Pro Tool Reviews | 52 s | - | - | 2015 Ford F-150 tire topped up from 30 to 36 psi (6 psi drained). Set to 36 psi, it stopped at 36 psi on a manual dial gauge. |
Specifications
| Wolfbox MegaFlow24 Pro | Milwaukee M18 Inflator 2848-20 | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 150 PSI |
| Airflow (maker) | 45 L/min | 39.9 L/min |
| Auto shutoff | Yes | Yes |
| Duty cycle | - | 20 min on |
| Power | ||
| Power | Built-in battery | Milwaukee M18 battery (sold separately) |
| Battery | 44.4 Wh | - |
| Power bank | Yes | - |
| Build | ||
| Air hose | 20 in | 36 in |
| Light | Yes | - |
| Dimensions | - | 13.8 x 6.4 x 7.8 in |
| Weight | 3.1 lb | 7 lb |
| Warranty | 2 years | 5 years |
| Released | 2024-06 | 2022-02 |