Milwaukee 2848-20 vs NOCO Boost Air AX65
The short answer
Milwaukee 2848-20 comes out ahead overall with 7.8/10 against 7.2/10 for the NOCO Boost Air AX65. Milwaukee 2848-20 is stronger on inflation speed, large-tire capability & runtime, build, safety & longevity and value. NOCO Boost Air AX65 is stronger on portability & ease of use. At current verified prices, the Milwaukee 2848-20 costs about $143.01 less.
- 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.
- Choose the NOCO Boost Air AX65 if: Drivers who want one premium emergency device that both jump-starts and inflates.
Scores by criterion
| Criterion | Milwaukee 2848-20 | NOCO Boost Air AX65 |
|---|---|---|
| Inflation speed | 9.550 psi on a truck tire in 6:39, 3.5x faster than the next unit (Outdoor Life) | 8.5SUV tire in just over 5 min (R&T) |
| Gauge accuracy & auto shut-off | 8.0Presets plus re-check-and-restart auto stop; no outlet measured gauge error | 8.0R&T calls it accurate; not quantified |
| Large-tire capability & runtime | 8.5Finished the truck test easily; battery-only, no 12V/AC fallback | 7.0100 psi max, 35-inch tires; jump-starting drains the battery |
| Portability & ease of use | 5.57.7 lb, largest unit tested; screw-on chuck is fiddly in the cold (C&D) | 7.0Two devices in one; 36 in hose |
| Build, safety & longevity | 9.05-year warranty, replaceable M18 packs, no CPSC recall | 7.5Spark-proof, reverse-polarity protection; 1-year warranty |
| Value | 6.0$157 tool-only; strong value only if you already own M18 batteries | 5.0$300; justified only for the jump-start function |
Specifications
| Spec | Milwaukee 2848-20 | NOCO Boost Air AX65 |
|---|---|---|
| Power source | Milwaukee M18 18V battery | Built-in lithium battery (also 2000A peak jump starter) |
| Runs on battery | Yes | Yes |
| Runs from car 12V outlet | No | No |
| Battery included | No | Yes |
| Max pressure | 150 psi | 100 psi |
| Weight | 7.7 lb | — |
| Air hose length | 36 in | 36 in |
| Auto shut-off at preset | Yes | Yes |
| Digital gauge | Yes | Yes |
| Extra features | 4 memory presets, brass Schrader chuck, TrueFill pressure stabilization | 2000A peak jump starter, 67 L/min, max tire 35 in, USB-C power bank, spark-proof/reverse-polarity protection |
| Warranty | 5 years | 1 years |
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 →NOCO Boost Air AX65
Pros
- Jump starter and inflator in one
- Fast fills in Road & Track's test
- Accurate gauge and reliable shut-off
- Fully cordless
Cons
- Premium price
- Takes hours to charge
- Jump-starting drains the battery
- 1-year warranty
A capable two-in-one emergency kit for drivers who want a single device. If you only need to inflate tires, a dedicated unit gives better value.
Full NOCO Boost Air AX65 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.