Avid Power 20V Cordless Inflator
#2 in CordlessFull review
For drivers on a budget who want a complete cordless kit with a 12 V cord as backup, for car, bike and motorcycle tires.
Amazon $54.98$54.98
The Avid Power 20V Cordless Inflator rates 4.0 among cordless tire inflators; the VIAIR 450P-A EF rates 2.8 among heavy duty ones. The Avid Power 20V Cordless Inflator costs $252.62 less ($54.98 vs $307.60).
VIAIR 450P-A EF
#9 in Heavy dutyFull review
For RV, trailer and big-truck owners who run high pressures or fill many tires in a row and want a compressor that never needs a rest. For fastest fills at trail pressures, the 400P EF is quicker.
Amazon $307.60$307.60
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 | Avid Power 20V Cordless Inflator | VIAIR 450P-A EF |
|---|---|---|
| Overall rating | 4.0/5 | 2.8/5 |
| Value 35% | 83 $54.98 | 46 $307.60 |
| Airflow 30% | 67 35 L/min (maker) | 28 62 L/min (maker) |
| Features 20% | 76 auto shutoff, 150 PSI max; runs 10 min at a time | 60 100% duty cycle, 150 PSI max; no auto shutoff |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
Specifications
| Avid Power 20V Cordless Inflator | VIAIR 450P-A EF | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 150 PSI |
| Airflow (maker) | 35 L/min | 62 L/min |
| Auto shutoff | Yes | No |
| Duty cycle | 10 min on | 100% (continuous) |
| Power | ||
| Power | Battery or 12 V socket | Battery clamps |
| Battery | 2,000 mAh | - |
| Power bank | - | No |
| Power cord | 9 ft | 6 ft |
| Build | ||
| Air hose | 19.7 in | 360 in |
| Light | Yes | No |
| Dimensions | - | 12.4 x 5.8 x 7.4 in |
| Weight | - | 13 lb |
| Warranty | 2 years | 1 year |