VIAIR EVC31 PRO
#19 in CordlessFull review
For drivers who want a glove-box cordless inflator from an established compressor brand, with a 12 V cord as a fallback.
Amazon $96.95$96.95
The VIAIR EVC31 PRO and the Xiaomi Air Compressor 2 Pro are evenly matched, rated 3.3 and 3.3. The VIAIR EVC31 PRO costs $2.05 less ($96.95 vs $99).
Xiaomi Air Compressor 2 Pro
#20 in CordlessFull review
For owners who want a compact USB-C inflator that can handle a fully flat car tire, not just top-ups.
Amazon $99$99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
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 | VIAIR EVC31 PRO | Xiaomi Air Compressor 2 Pro |
|---|---|---|
| Overall rating | 3.3/5 | 3.3/5 |
| Value 35% | 55 $96.95 | 54 $99 |
| Airflow 30% | 50 airflow not published (neutral score used) | 50 airflow not published (neutral score used) |
| Features 20% | 85 auto shutoff, 150 PSI max | 85 auto shutoff, 150 PSI max |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| VIAIR EVC31 PRO | Xiaomi Air Compressor 2 Pro | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 150 PSI |
| Auto shutoff | Yes | Yes |
| Power | ||
| Power | Battery or 12 V socket | Built-in battery |
| Battery | 28.9 Wh | 27 Wh |
| USB-C charging | 10 W | 15 W |
| Power bank | Yes | - |
| Power cord | 11 ft | - |
| Build | ||
| Air hose | 30 in | - |
| Light | Yes | Yes |
| Dimensions | 3 x 3 x 9 in | 5.98 x 3.94 x 2.48 in (152 x 100 x 63 mm) |
| Weight | 1.9 lb | 2 lb |
| Released | - | 2024-10 |