Tire Inflator Air Compressor Compatible with Milwaukee M18 - Portable

In this review of the LIVOWALNY Tire Inflator Air Compressor, the bottom line is simple: this unit is aimed at owners of M18-style 18V tool batteries who want a compact, fast, portable inflator for cars, motorcycles, bikes and inflatables. The biggest reason to buy is its metal-cylinder, metal-gear construction paired with a 25mm large cylinder and brushless motor that delivers rapid inflation and a maximum 160 PSI, while the large digital gauge and auto shut-off make routine tire care quick and straightforward.

Key Features

• Battery compatibility: Works with Milwaukee-style M18 18V batteries so users can reuse a common tool battery, although a battery is not included.
• Metal inflatable structure: Metal cylinder and metal gear construction provide continuous operation for up to 20 minutes and a durable feel for regular small-vehicle use.
• Fast inflation: A 25mm large cylinder and brushless motor deliver up to 30 L/min, enough to fill a 195/65/R15 tire in under 3.5 minutes.
• Automatic shut off: The unit stops at the preset pressure with a stated accuracy of +/- 0.5 PSI, reducing the chance of overinflation.
• Large digital gauge and presets: The screen shows both current and target pressure in bar, kPa, kg and PSI and includes preset modes for car, motorcycle, bicycle and basketball.
• Built-in light: An integrated flashlight with steady and SOS modes helps with night-time roadside or low-light inflations.

Who It's For

This inflator suits DIY car owners, motorcyclists and cyclists who already own or plan to use Milwaukee-style M18 18V batteries and want a portable, metal-bodied pump for regular tire maintenance and occasional roadside top-ups. It is especially useful for those who value fast fill times and a clear digital readout with auto shut-off for convenience.

It is not intended for heavy commercial use or large truck tires; customers needing very large-capacity continuous inflators should look at larger AC or dedicated heavy-duty compressors. Also note a battery must be supplied separately, so buyers who do not already own compatible batteries will need to factor that in.

Pros & Cons

Pros

• Portable and well built with a metal cylinder and gear that feels sturdy.
• Fast inflation speed and a brushless motor that fills common car tires quickly.
• Useful digital gauge with multiple units and auto shut-off for accurate pressure control.
• Includes multiple nozzle adapters and a helpful built-in light for emergencies.

Cons

• Battery not included, so the product requires a compatible M18 battery purchased separately.
• Not suitable for large truck tires or very heavy-duty inflations.

Specifications

Our Verdict

The LIVOWALNY cordless inflator is a practical, value-minded choice for people who already own M18-style 18V batteries and need a portable unit for cars, motorcycles, bikes and inflatables. Its metal construction, fast fill rate and clear digital gauge with auto shut-off make routine tire care easier, while the built-in light and nozzle set add real utility for roadside use. It represents good value for its intended small-vehicle audience.

Frequently Asked Questions

Does this inflator include a battery?
No, a compatible Milwaukee-style M18 18V battery is required but not included with the unit.

Can it handle truck tires?
The unit reaches up to 160 PSI but is not designed for large truck tires or heavy commercial use.

How accurate is the pressure reading?
The digital gauge is stated to be accurate to +/- 0.5 PSI and includes auto shut-off at the set pressure.