Craftsman V20 Inflator CMCE521B
#3 in CordlessFull review
For Craftsman V20 owners who want a cheap cordless inflator for topping up tires and balls around the garage.
Amazon $39$39
The Craftsman V20 Inflator CMCE521B is the better tire inflator overall, rated 4.2 to 4.0. The Craftsman V20 Inflator CMCE521B leads on warranty and value. The Avid Power 20V Cordless Inflator wins on features. The Craftsman V20 Inflator CMCE521B costs $15.98 less ($39 vs $54.98).
Avid Power 20V Cordless Inflator
#5 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
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.
Which should you buy?
- Choose the Craftsman V20 Inflator CMCE521B for warranty (3-year warranty vs 2-year warranty) and value ($39 without battery vs $54.98).
- Choose the Avid Power 20V Cordless Inflator for features (auto shutoff, 150 PSI max; runs 10 min at a time vs 150 PSI max).
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 | Craftsman V20 Inflator CMCE521B | Avid Power 20V Cordless Inflator |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 35% | 94 $39 without battery | 83 $54.98 |
| Airflow 30% | 50 airflow not published (neutral score used) | 67 35 L/min (maker) |
| Features 20% | 65 150 PSI max | 76 auto shutoff, 150 PSI max; runs 10 min at a time |
| Warranty 15% | 100 3-year warranty | 50 2-year warranty |
Independent measurements
Craftsman V20 Inflator CMCE521B
No independent test published yet.
Avid Power 20V Cordless Inflator
| Tested by | Inflate time | Airflow | Noise | Conditions |
|---|---|---|---|---|
| Car and Driver | 254 s | - | 84.8 dB | 245/50R20 tire on a Hyundai Santa Cruz, timed from 10 to 30 psi (254 s); 524 s from 10 to 45 psi. Noise is the average dBA over 15 seconds of running. Tested the orange ACAP115D-O listing. |
| Outdoor Life | 617 s | - | 75.8 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. On its battery; battery ran out at 39 psi after 18:14. On the 12 V cord it took 9:53 to 25 psi and 23:56 to 50 psi. Tested the orange ACAP115D-O. |
| Reviewed | - | - | 89.5 dB | Front 17 in tire of a 2014 Subaru BRZ from 25 to 35 psi in “just over a minute” (no exact time given). Gauge within about 1 psi of a Kobalt digital gauge. Noise is A-weighted from 24 in away. Date is the page update; testing may be earlier. |
Specifications
| Craftsman V20 Inflator CMCE521B | Avid Power 20V Cordless Inflator | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | 150 PSI |
| Airflow (maker) | - | 35 L/min |
| Auto shutoff | - | Yes |
| Duty cycle | - | 10 min on |
| Power | ||
| Power | Craftsman V20 battery (sold separately) | Battery or 12 V socket |
| Battery | - | 2,000 mAh |
| Power cord | - | 9 ft |
| Build | ||
| Air hose | - | 19.7 in |
| Light | - | Yes |
| Dimensions | 8.9 x 8.74 x 4.17 in | - |
| Weight | 2 lb | - |
| Warranty | 3 years | 2 years |
| Released | - | 2020-01 |