Milwaukee M18 Inflator 2848-20
#4 in CordlessFull review
For M18 owners with trucks or several vehicles who want the fastest cordless fill and don’t mind the price.
Amazon $166.85$166.85
The Milwaukee M18 Inflator 2848-20 rates 3.6 among cordless tire inflators; the VIAIR 88P rates 3.2 among heavy duty ones. The VIAIR 88P costs $76.96 less ($89.89 vs $166.85).
VIAIR 88P
#6 in Heavy dutyFull review
For car, SUV and light-truck owners who want a sturdier, battery-powered alternative to a socket inflator for the trunk. Off-roaders airing up 33 in tires should step up to a 300P or 400P.
Amazon $89.89$89.89
Prices were last checked October 22, 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 | Milwaukee M18 Inflator 2848-20 | VIAIR 88P |
|---|---|---|
| Overall rating | 3.6/5 | 3.2/5 |
| Value 35% | 9 $166.85 without battery | 98 $89.89 |
| Airflow 30% | 83 39.9 L/min (maker) | 20 55.8 L/min (maker) |
| Features 20% | 88 auto shutoff, runs 20 min at a time, 150 PSI max | 44 runs 25 min at a time, 120 PSI max; no auto shutoff |
| Warranty 15% | 100 5-year warranty | 0 1-year warranty |
Specifications
| Milwaukee M18 Inflator 2848-20 | VIAIR 88P | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 120 PSI |
| Airflow (maker) | 39.9 L/min | 55.8 L/min |
| Auto shutoff | Yes | No |
| Duty cycle | 20 min on | 25 min on |
| Noise | - | 81 dB |
| Power | ||
| Power | Milwaukee M18 battery (sold separately) | Battery clamps |
| Power bank | - | No |
| Power cord | - | 10 ft |
| Build | ||
| Air hose | 36 in | 192 in |
| Light | - | Yes |
| Dimensions | 13.8 x 6.4 x 7.8 in | 9.8 x 3.2 x 5.6 in |
| Weight | 7 lb | 4.8 lb |
| Warranty | 5 years | 1 year |