AstroAI L4 Cordless Tire Inflator, 150 PSI

Cordless: The AstroAI L4 is a compact, battery-powered tire inflator rated for up to 150 psi, with preset modes for car, motorcycle, bike and ball inflation. Its claimed auto-stop and USB power-bank output add convenience, while customer feedback is mixed on battery retention and reliability.

At a glance

The listing claims a 6600mAh battery can inflate eight 225/75/R17 car tires over 40 minutes of continuous runtime per full charge.
A stated example is inflating a 195/65 R15 car tire from 30 psi to 36 psi in 60 seconds.
Five modes and four pressure units let users select a preset or custom target. The listing says the unit stops automatically at the preset pressure.
Three light modes and USB power-bank output add functions beyond inflation.

Price

$37.93Save 43%

Reference price: ~~$66.99~~

Price checked: Nov 12, 2026

View offer

Pros and cons

Pros

Compact dimensions and a listed weight of 1.1 pounds suit glovebox or garage storage.
Preset modes, selectable pressure units and claimed automatic shutoff simplify target-pressure inflation.
Included Presta-to-Schrader and needle-valve adapters broaden the listed connection options.

Cons

Battery life and reliability are reported inconsistently by customers, so long-term readiness is uncertain.
The listed 80 db noise level may be a consideration when inflating nearby.

Technical specifications

19 specifications

Identity
Brand	AstroAI
Model	AstroAI L4

Power and inflation
Power configuration	Battery Powered
Voltage	12 volts
Maximum pressure	150 psi
Air flow capacity	19 liters per minute
Maximum power	0.11 hp
Lubrication method	oil_free
Recommended use	Tire Inflation

Controls and features
Inflation modes	5 smart inflation modes (car, motorcycle, bike, ball, and custom)
Pressure units	PSI, kPa, Bar, kg/cm²
Automatic shutoff	It will automatically shut off once it reaches the preset value.
Light modes	3 light modes (SOS, flashlight, and strobe)
USB output	Its USB output also works as a power bank

Dimensions and installation
Weight listed	1.1 pounds
Listed dimensions	6.492.751.96 inches
Color	Orange

Other listed details
Noise level	80 db
Material	ABS Plastic

What to know before buying

The runtime, tire-count and inflation-time figures are manufacturer claims under the stated conditions, not independent measurements. Customer feedback describes quick, easy inflation but mixed battery retention and reliability, including reports of charge loss within a day and units stopping after about a month.

What’s in the box

Included

Air nozzles (2)
Presta-to-Schrader adapter (1)
Needle-valve adapter (1)
Coupling
Storage bag (1)
User manual ×1
USB cable

Who is it for?

A good fit for

Drivers wanting a small cordless inflator for topping up car tires.
Cyclists and users of balls who can use the listed adapters and preset modes.
Buyers who want preset pressure control, a light and USB power-bank output in one device.

Less suited to

Buyers who need confidently established battery standby life or long-term reliability.
Users seeking a high-capacity shop compressor rather than a compact portable inflator.

AstroAI L4 Cordless Tire Inflator, 150 PSI · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,068 ratings

5 stars79%79%
4 stars11%11%
3 stars3%3%
2 stars2%2%
1 star5%5%

Customer feedback highlights easy operation, compact storage, quick inflation and useful pressure control. Those reported strengths fit the listed portable form and preset modes. Battery life and reliability receive mixed feedback, including reports of charge loss within a day and some units stopping after about a month, which matters if the inflator is kept for emergencies. Aggregate ratings are mostly five-star, but do not resolve those specific concerns.

Positive themes

Customers describe it as easy to use and compact enough for glovebox or bike-rack storage.
Customers report quick inflation and appreciate pressure control with preset options.

Mixed feedback

Customer feedback is mixed on battery life, with reports ranging from lasting charge to losing charge within 24 hours.
Reliability feedback is mixed. Some customers report units stopping after about a month.

Frequently asked questions

Does the AstroAI L4 stop automatically at the target pressure?

The listing says it shuts off when it reaches the preset value. Customer feedback also mentions set-pressure shutoff, though that does not establish consistent long-term reliability.

How many tires can it inflate on a charge?

The manufacturer claims up to eight 225/75/R17 tires over 40 minutes of continuous runtime per full charge. Customer feedback on battery life is mixed.

Can it inflate bike tires and balls?

The listing includes bike and ball modes and names a Presta-to-Schrader adapter and needle-valve adapter in the package contents.

Can the inflator charge a phone?

The listing says its USB output can function as a power bank. It does not provide a capacity or charging-time figure.