AstroAI AIRUN C4 Cordless Tyre Inflator, 150 PSI

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Product guide

AstroAI AIRUN C4 Cordless Tyre Inflator, 150 PSI

Cordless: The AstroAI AIRUN C4 is a compact, battery-powered tyre inflator with preset pressure, automatic shut-off and a digital display. Its claimed 150 PSI maximum and supplied adaptors suit occasional top-ups for car, motorcycle and bicycle tyres, as well as balls. Customer feedback is positive on ease of use and compactness, but mixed on battery life, durability and inflation speed.

At a glance

Preset pressure with automatic shut-off and a memory function, according to the listing.
Digital display shows pressure and switches between four units.
Listing claims a built-in LED light and a maximum pressure of 150 PSI.
The manufacturer claims it can inflate a 195/65 R15 tyre from 30 to 36 PSI in 1.5 minutes. Actual results may vary.

Price

£19.91Save 26%

Reference price: ~~£26.99~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

Pros

Cordless, handheld format weighs 450 grams according to the listing, making it easier to store and carry than a larger compressor.
Preset pressure and automatic shut-off reduce the need to monitor inflation continuously.
The stated use cases and adaptor set cover car, motorcycle and bicycle tyres, plus balls.

Cons

Battery-powered operation requires charging between uses, and customer feedback on battery life is mixed.
Customer feedback also varies on inflation speed, so it may not suit buyers who prioritise consistently quick top-ups.

Technical specifications

17 specifications

Identity
Brand	AstroAI
Model	AIRUN C4

Power and battery
Power configuration	Battery Powered
Voltage	7.4 Volts
Maximum power	65 Watts
Maximum current	15 Amps
Battery charge time	2 Hours

Inflation
Maximum pressure	150 Pound per Square Inch
Recommended uses	Cordless Tyre Inflator for Car Motorcycle Bike, Ball Pump
Hose length	35 Centimetres
Compatible hose diameter	10 Millimetres, 6 Millimetres, 7 Millimetres, 8 Millimetres, 9 Millimetres
Noise level	70 Decibels

Dimensions and installation
Weight listed	450 Grams
Dimensions	5L x 19.5W x 13H centimetres

Materials and design
Material listed	ABS Shell, Metal Cylinder, Copper Motor
Colour	Black&yellow
Style	Digital, Handheld

What to know before buying

Listing details to confirm

The 150 PSI figure is the stated maximum pressure, not a promise of inflation speed. Manufacturer timing claims describe particular tyre sizes and pressure changes, while customer feedback on speed is mixed. The stated 7.4 Volts, 65 Watts and 15 Amps are listing specifications, not independently verified performance measurements.

What’s in the box

Included

AstroAI C4 tyre inflator with Schrader air hose (1)
Presta adapter (1)
Needle valve adapter (1)
Tapered air nozzles (2)
USB cable
User manual

Who is it for?

A good fit for

Drivers wanting a compact cordless inflator for occasional tyre-pressure top-ups.
Motorcycle and bicycle owners who want one pump with several stated adaptor types.
Buyers who prefer preset pressure and automatic shut-off over continuously watching a gauge.

Less suited to

People seeking a corded compressor or a product with confirmed, consistently fast inflation performance.
Buyers who require predictable long-term battery life, given mixed customer feedback.

AstroAI AIRUN C4 Cordless Tyre Inflator, 150 PSI · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 4,054 ratings

5 stars67%67%
4 stars17%17%
3 stars5%5%
2 stars2%2%
1 star9%9%

Customer feedback highlights ease of use, compact size and perceived power, with some customers describing the pump as fast and useful for a scooter. Experiences are mixed on battery life and durability, including reports of charging failure or breakage, and on inflation speed. These views matter for a cordless pump intended for top-ups, but do not establish how any individual unit will perform. The rating distribution leans positive overall, while still including a notable one-star share.

Positive themes

Customers describe it as easy to use and compact, and some report that it has useful power.

Mixed feedback

Battery life and durability receive mixed feedback, including reports of charging problems and breakage.
Inflation speed is disputed, with some finding it fast and others slow.

Frequently asked questions

Is the AstroAI AIRUN C4 cordless?

Yes. The listing describes it as battery powered and cordless. It also specifies a 7.4 Volts power configuration and a 2 Hours charge time.

What is its maximum pressure?

The listed maximum is 150 Pound per Square Inch. That is a pressure ceiling, not an indication that it will inflate every tyre quickly.

Does it stop automatically at a preset pressure?

The listing claims preset pressure and automatic shut-off, plus a memory function that retains the last setting.

What does the package include?

The manufacturer’s contents list names the inflator, one Presta adapter, one needle valve adapter, two tapered air nozzles, a USB cable and a user manual.