AstroAI S1 CZK-3676 12V Digital Tire Inflator

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Product guide

AstroAI S1 CZK-3676 12V Digital Tire Inflator

CZK-3676: AstroAI S1 is a corded 12V tire inflator with a digital LCD display, preset pressure and automatic shut-off. It is designed for vehicle 12V outlets rather than USB or battery operation, making it a fit for routine car-tire top-ups and roadside use when a compatible outlet is available.

At a glance

Preset pressure and automatic shut-off are intended to stop inflation when the selected target is reached.
LCD pressure display, built-in LED light and an extended power cord are listed for easier roadside use.
Manufacturer says it can inflate car, SUV, motorcycle and bicycle tyres and sports balls, but not large truck tyres.

Price

$29.74Save 41%

Reference price: ~~$49.99~~

Price checked: Nov 12, 2026

View offer

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Pros and cons

Pros

Auto shut-off at the set pressure reduces the need to monitor inflation continuously.
12V vehicle-outlet power avoids dependence on a built-in battery.
The supplied feature list includes a digital display, LED light and adapters for different valve types.

Cons

It requires a vehicle 12V outlet and cannot run from USB or its own battery.
The listing says to let the unit cool after 15 minutes of continuous operation, limiting extended inflation sessions.
Not intended for large truck tyres.

Technical specifications

13 specifications

Identity
Brand	AstroAI
Model	CZK-3676

Display
Screen technology listed	LCD

Power and operation
Power configuration	Corded Electric
Voltage	12 volts
Power	100 watts
Airflow capacity	22 liters per minute
Noise level	85 db

Pressure and hose
Maximum pressure listed	160
Compatible hose diameter	8 millimeters
Hose length	48 centimetres

Dimensions and installation
Dimensions listed	15 x 7 x 19 cm; 698.53 g
Weight listed	699 g

What to know before buying

The inflator needs a vehicle 12V cigarette-lighter outlet with a 15A fuse. The manufacturer advises cooling after 15 minutes of continuous use, and says it is not for large truck tyres.
Inflation-time figures are manufacturer claims for a specific 185/55 R14 tyre, not a guarantee for other tyre sizes or starting pressures.

Listing details to confirm

Listing specifications are inconsistent or unconfirmed: the pressure limit appears as 160 in one field and 150 PSI in feature copy, while dimensions and weight are given as both 15 x 7 x 19 cm and 698.53 g and 13.4L x 7.1W x 17.8H centimetres and 699 g. Hose length is listed as both 48 centimetres and 1.57 ft, and the component list says “2 buses” while feature copy describes two nozzles. Confirm the selected listing’s exact configuration and pressure units before purchase.

What’s in the box

AstroAI S1 air compressorIncluded
2 nozzlesCheck selected pack
Presta-to-Schrader adapterIncluded
Needle valve adapterIncluded
Replacement fuseIncluded
User manualIncluded

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Drivers who want a 12V-powered inflator for routine car or SUV tyre top-ups.
Buyers who prefer preset pressure shut-off and an illuminated digital display.
Users who can connect to a vehicle outlet and want adapters for bicycles or sports balls.

Less suited to

People needing cordless or USB-powered inflation.
Owners of large truck tyres.
Anyone who needs to inflate continuously for longer than the stated operating interval without cooling breaks.

AstroAI S1 CZK-3676 12V Digital Tire Inflator · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 12,119 ratings

5 stars69%69%
4 stars16%16%
3 stars7%7%
2 stars2%2%
1 star6%6%

Customer feedback is largely favourable about ease of setup, speed and perceived quality, with the supplied summary reporting some users reaching 41 PSI in under two minutes. Pressure control receives mixed feedback, so the preset display and shut-off may be useful but should not replace checking tyre pressure with an appropriate gauge when accuracy matters. These experiences are customer reports, not verified performance measurements.

Positive themes

Customer feedback describes setup as simple and use as easy.
The supplied feedback summary reports positive perceptions of speed and quality.

Mixed feedback

Pressure control is a mixed aspect in the supplied customer feedback.

Frequently asked questions

How is the AstroAI S1 powered?

It uses a corded 12V vehicle cigarette-lighter outlet. The listing says it has no battery and cannot be powered through USB.

Does it stop at a preset pressure?

The listing describes preset pressure and automatic shut-off when the selected target is reached.

Can it inflate truck tyres?

The manufacturer says it is not intended for large truck tyres. It lists cars, SUVs, motorcycles and routine tyre maintenance as suitable uses.

How long can it run continuously?

The listing advises allowing it to cool after 15 minutes of continuous operation. It also mentions at least 10 minutes of cooling after excessive use.