Avid Power 20V Cordless Tire Inflator with 12V DC adapter vs Milwaukee 2848-20
Avid Power 20V Cordless Tire Inflator with 12V DC adapter
The short answer
Milwaukee 2848-20 comes out ahead overall with 7.8/10 against 7.4/10 for the Avid Power 20V Cordless Tire Inflator with 12V DC adapter. Avid Power 20V Cordless Tire Inflator with 12V DC adapter is stronger on portability & ease of use and value. Milwaukee 2848-20 is stronger on inflation speed, gauge accuracy & auto shut-off, large-tire capability & runtime and build, safety & longevity. At current verified prices, the Avid Power 20V Cordless Tire Inflator with 12V DC adapter costs about $90.95 less.
- Choose the Avid Power 20V Cordless Tire Inflator with 12V DC adapter if: Shoppers without a tool-battery platform who want a cordless inflator with battery included and a 12V cord as backup.
- Choose the Milwaukee 2848-20 if: Anyone who wants the fastest proven cordless inflator, especially truck/SUV owners or anyone already on Milwaukee M18 batteries.
Scores by criterion
| Criterion | Avid Power 20V Cordless Tire Inflator with 12V DC adapter | Milwaukee 2848-20 |
|---|---|---|
| Inflation speed | 7.02:57 car fill (Tom's Guide); 25 psi on a truck tire in about 10 min (Outdoor Life) | 9.550 psi on a truck tire in 6:39, 3.5x faster than the next unit (Outdoor Life) |
| Gauge accuracy & auto shut-off | 7.5Preset auto stop worked in C&D and Reviewed tests | 8.0Presets plus re-check-and-restart auto stop; no outlet measured gauge error |
| Large-tire capability & runtime | 7.012V cord finished the truck tire to 50 psi; battery alone didn't | 8.5Finished the truck test easily; battery-only, no 12V/AC fallback |
| Portability & ease of use | 7.0Pistol grip; bulky case, dim light | 5.57.7 lb, largest unit tested; screw-on chuck is fiddly in the cold (C&D) |
| Build, safety & longevity | 6.0Removable pack; warranty unclear; no recall | 9.05-year warranty, replaceable M18 packs, no CPSC recall |
| Value | 9.0$66 all-in with battery, the most-endorsed unit in the pool | 6.0$157 tool-only; strong value only if you already own M18 batteries |
Specifications
| Spec | Avid Power 20V Cordless Tire Inflator with 12V DC adapter | Milwaukee 2848-20 |
|---|---|---|
| Power source | 20V battery (included) / 12V DC | Milwaukee M18 18V battery |
| Runs on battery | Yes | Yes |
| Runs from car 12V outlet | Yes | No |
| Battery included | Yes | No |
| Max pressure | — | 150 psi |
| Weight | — | 7.7 lb |
| Air hose length | — | 36 in |
| Auto shut-off at preset | Yes | Yes |
| Digital gauge | Yes | Yes |
| Extra features | USB port on battery, LED light, multiple valve adapters | 4 memory presets, brass Schrader chuck, TrueFill pressure stabilization |
| Warranty | — | 5 years |
Avid Power 20V Cordless Tire Inflator with 12V DC adapter
Pros
- Battery included
- 12V cord as backup
- Strong multi-outlet recommendations
- Low price
Cons
- Loud (89.5 dB in Reviewed)
- Battery alone could not finish a truck tire
- Charger is AC-only
- Maker advises 3 minutes of cool-down per 10 minutes of use
The easiest way into cordless inflating without buying into a tool platform. It is loud and slow on big tires, but with the 12V cord it is dependable and the best value here.
Full Avid Power 20V Cordless Tire Inflator with 12V DC adapter review →Milwaukee 2848-20
Pros
- Fastest in Outdoor Life's truck-tire test
- 150 psi rating and four memory presets
- 5-year warranty
- Uses replaceable, shared M18 batteries
Cons
- Sold without battery or charger
- Heavy at 7.7 lb and large
- Loudest in some tests (76.5 dB in Outdoor Life)
- No 12V or AC backup power
The best choice for anyone who wants a fast inflator for large tires, especially if M18 batteries are already on the shelf. It costs more once you add a battery, and it is bulky, but nothing else here has stronger measured results.
Full Milwaukee 2848-20 review →Both products are part of our guide The Best Portable Tire Inflators of 2026, where you can see every pick, how we score and current prices from each retailer.