# What are the 12v cordless tire inflators with the fastest inflation speed? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the 12v cordless tire inflators with the fastest inflation speed?

## Products

### Milwaukee 2475-21XC-48-11-2420 M12 12-Volt Lithium-Ion Cordless Portable Inflator Kit
```yaml
product: milwaukee-2475-21xc-48-11-2420-m12-12-volt-lithium-ion-cordless-portable-inflator-kit
brand: Milwaukee
price_gbp: 181.0
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 4
max_pressure: 120
digital_display: back-lit LCD with target and current pressure reading
battery_capacity: 4.0
```

- **Price:** £181.0 [^1]
- **Summary:** Milwaukee's M12 2475-21XC cordless portable inflator kit is rated up to 120 PSI and is designed for fast top-offs, including topping off a car tire in under 1 minute. It uses TrueFill auto shut-off for accurate pressure control, and it has an illuminated digital gauge (back-lit LCD) showing target and current pressure. It's a good fit for drivers and anyone wanting a compact 12V inflator for cars, LT trucks, and compact equipment tires.
- **Ideal For:** It tops off a car tire in under 1 minute (28-35 PSI) and reaches up to 120 PSI, making it geared to the fastest inflations among 12V cordless tire inflators.
- **Additional Sources:** [^2], [^1], [^2]

---
## References & Sources
[^1]: The Home Depot, accessed 2026-06-27. https://www.homedepot.com/p/Milwaukee-M12-12-Volt-Lithium-Ion-Cordless-Electric-Portable-Inflator-Kit-with-4-0-Ah-Battery-and-Charger-2475-21XC/304770024
[^2]: MaxTool, accessed 2026-06-27. https://www.maxtool.com/products/milwaukee-fuel-m12-2475-21xc-12-volt-4-0ah-cordless-compact-inflator-kit