AstroAI AIRUN L7 Cordless Tire Inflator, 150 PSI

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Product guide

AstroAI AIRUN L7 Cordless Tire Inflator, 150 PSI

The AstroAI AIRUN L7 is a cordless tire inflator with a claimed maximum pressure of 150 psi and presets for several tire and ball types. Its compact, battery-powered format and automatic shut-off suit portable top-ups, while its stated continuous-use limit and mixed customer reports on speed are worth weighing for frequent or time-critical inflation.

At a glance

Preset modes cover car, motorcycle, bicycle, ball and custom inflation, with four selectable pressure units.
Automatic shut-off is intended to stop inflation at the preset pressure.
The listing claims up to eight 195/65R15 tires per full charge when topping each from 30 to 36 psi.
The built-in light offers flashlight, SOS and strobe modes. USB input/output ports are described for charging and backup power.

Price

$21.83Save 45%

Reference price: ~~$39.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Cordless battery power and the listed 15.36-ounce weight support carrying it in a car or backpack.
Preset modes and automatic shut-off can simplify routine pressure top-ups without continuous monitoring.
The manufacturer lists adapters for ball and bicycle-valve use alongside the inflator.

Cons

The stated continuous-use limit requires a 10-minute rest after every 15 minutes of operation.
The listing says it is unsuitable for tires larger than 25 inches, limiting its fit for heavy-duty truck tires.

Technical specifications

23 specifications

Identity
Brand	AstroAI
Model	AIRUN L7

Power and battery
Power configuration	Battery Powered
Battery capacity	4000mAh
Charging adapter guidance	5V/1A USB power adapter
USB ports	USB-C and USB input/output ports

Pressure and use
Maximum pressure	150 psi
Custom preset range	3-150PSI
Preset modes	4+N smart modes (car, motorcycle, bicycle, ball, and custom)
Pressure units	PSI, Bar, kPa, kg/cm²
Recommended uses	Ball Inflation, Tire Inflation
Additional features	Automatic Shut-Off, Digital, Portable

Performance claims and operating limits
Inflation example	195/65R15 tire from 30 to 36PSI in just 1.5 minutes.
Battery runtime claim	refill up to 8 tires (195/65R15) from 30 to 36PSI.
Continuous-use limit	After 15 minutes of continuous use, allow the unit to rest for 10 minutes.
Tire-size limitation	Not suitable for tires larger than 25 inches, such as heavy-duty truck tires.
Flashlight modes	3 modes (flashlight, SOS, and strobe)

Physical details
Weight listed	15.36 ounces
Color	Orange
Material	ABS Plastic
Noise level	80 db

Package details
Included components	Air Nozzles× 2, Needle Valve Adapter× 1, Presta to Schrader Adapter× 1, Cordless Tire Inflator × 1, Coupling, USB Cable, User Manual

Warranty
Manufacturer warranty description	2 Year Manufacturer

What to know before buying

Listing details to confirm

Inflation-time and runtime figures are manufacturer claims for specified conditions, not guaranteed results. Customer feedback describes mixed speed and battery life, so consider it for occasional top-ups rather than relying on a particular refill time or number of tires.

What’s in the box

Included

Air nozzles, 2
Needle valve adapter, 1
Presta-to-Schrader adapter, 1
Cordless tire inflator, 1
Coupling
USB cable
User manual

Who is it for?

A good fit for

Drivers wanting a small cordless inflator for routine car-tire top-ups and roadside backup.
Cyclists and recreational users who want one device for bicycle tires and balls, with the listed adapters.

Less suited to

Heavy-duty truck tires or tires larger than 25 inches, which the listing excludes.
Buyers who need uninterrupted inflation sessions longer than the stated operating cycle or require predictable fast performance.

AstroAI AIRUN L7 Cordless Tire Inflator, 150 PSI · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 20,885 ratings

5 stars73%73%
4 stars10%10%
3 stars6%6%
2 stars3%3%
1 star8%8%

Customer feedback often describes this as a small, easy-to-use pump that is convenient to keep in a car. Reports on functionality and speed are mixed, with some saying it works quickly and others finding inflation slow. Battery life is also mixed. That matters for roadside or routine top-ups because the listing's claimed refill times and tire count may not match every user's experience.

Positive themes

Customers report that the pump is easy to use and compact enough to keep in a car.

Mixed feedback

Customer reports differ on inflation speed, including whether it reaches the advertised rate.
Battery-life reports are mixed, with some describing long charge retention and others saying the battery drains quickly.

Frequently asked questions

Can the AIRUN L7 inflate a car tire?

The listing recommends it for tire inflation and gives a 195/65R15 example, topping a tire from 30 to 36 psi. It also says not to use it for tires larger than 25 inches.

How many tires can it inflate per charge?

The manufacturer claims up to eight 195/65R15 tires from 30 to 36 psi per full charge. This is a stated claim for that tire size and pressure change, not a universal runtime guarantee.

Does it stop automatically at a selected pressure?

Yes. The listing describes a preset function and automatic shut-off. It offers car, motorcycle, bicycle, ball and custom modes, plus four pressure units.

Can it inflate bicycle tires and balls?

The listing names bicycle and ball inflation among its uses and includes air nozzles, a needle valve adapter and a Presta-to-Schrader adapter.