Craftsman V20 Inflator CMCE521B
#4 in CordlessFull review
For Craftsman V20 owners who want a cheap cordless inflator for topping up tires and balls around the garage.
Amazon $49$49
The Craftsman V20 Inflator CMCE521B is the better tire inflator overall, rated 4.1 to 3.8. The Craftsman V20 Inflator CMCE521B leads on warranty. The Craftsman V20 Inflator CMCE521B costs $5.99 less ($49 vs $54.99).
Wolfbox HyperFlow19
#7 in CordlessFull review
For car, bike and motorcycle owners who want a tiny cordless pump for routine top-ups. Truck and SUV owners with wide tires need something bigger.
Amazon $54.99$54.99
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 Craftsman V20 Inflator CMCE521B for warranty (3-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 | Craftsman V20 Inflator CMCE521B | Wolfbox HyperFlow19 |
|---|---|---|
| Overall rating | 4.1/5 | 3.8/5 |
| Value 35% | 87 $49 without battery | 83 $54.99 |
| Airflow 30% | 50 airflow not published (neutral score used) | 50 airflow not published (neutral score used) |
| Features 20% | 65 150 PSI max | 70 auto shutoff |
| Warranty 15% | 100 3-year warranty | 50 2-year warranty |
Specifications
| Craftsman V20 Inflator CMCE521B | Wolfbox HyperFlow19 | |
|---|---|---|
| Inflating | ||
| Max pressure | 150 PSI | - |
| Auto shutoff | - | Yes |
| Power | ||
| Power | Craftsman V20 battery (sold separately) | Built-in battery |
| Battery | - | 5,200 mAh |
| Power bank | - | No |
| Build | ||
| Light | - | Yes |
| Dimensions | 8.9 x 8.74 x 4.17 in | 6.14 x 2.68 x 1.77 in |
| Weight | 2 lb | 1 lb |
| Warranty | 3 years | 2 years |
| Released | - | 2026-08 |