AstroAI S1 CZK-3676 12V Tire Inflator with LCD Gauge

CZK-3676 Gauge: AstroAI S1 is a corded 12V tire inflator with an LCD pressure display and preset-pressure auto shut-off. Its stated 150 psi maximum and compact 1.5-pound listed weight suit routine car tire top-ups and smaller inflatables, but it is not intended for large truck tires.

At a glance

LCD display shows real-time pressure readings, and the controls allow a target pressure to be set before inflation.
The inflator is described as stopping automatically when the preset pressure is reached.
Manufacturer claims inflation of a 185/55 R14 tire from 30 to 36 psi in under one minute, with a 15-minute continuous-use limit before cooling.
Built-in LED light is claimed to turn on when the inflator is powered.
Adapters are listed for bicycle valves, sports balls and other inflatables.

Price

$25.99Save 21%

Reference price: ~~$32.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Preset-pressure shut-off can reduce the need to monitor inflation continuously.
12V vehicle power and a digital pressure display make it suited to roadside tire top-ups where a vehicle outlet is available.
Listed accessories support use with Presta valves and ball needles, as well as the tire hose.

Cons

It requires a vehicle 12V cigarette-lighter outlet and has no built-in battery, so it cannot operate independently of that power source.
The manufacturer says it is not intended for large truck tires and advises cooling after 15 minutes of continuous operation.

Technical specifications

17 specifications

Identity
Brand	AstroAI
Model	CZK-3676

Display and controls
Screen technology listed	LCD
Style	Digital
Listed features	Pre-set pressure and automatic shut-off, Quick inflation, Digital, Long power cord LED light

Power and performance
Power configuration	Corded Electric
Voltage	12 volts
Maximum power	100 watts
Maximum pressure	150 psi
Air flow capacity	22 liters per minute
Noise level	85 db

Hose and dimensions
Hose diameter	8 millimeters
Hose length	48 centimeters
Weight listed	1.5 pounds
Dimensions	5.91"L x 2.76"W x 7.48"H
Color	Black&yellow

Intended uses
Recommended uses	Ball Inflation, Tyre Inflation for Car Motocycle Bike

What to know before buying

Listing details to confirm

Listing details are inconsistent: the title and feature text describe a 9.87-foot power cord and 1.57-foot air hose, while the specifications list a 48-centimeter hose and do not give a power-cord length. Check the selected listing for the actual cord and hose lengths. The manufacturer also states that the inflator must be plugged into a vehicle 12V outlet and cannot be powered by USB. Its stated 185/55 R14 inflation timing is a manufacturer claim, not an independently verified result.

What’s in the box

Included

AstroAI Tire Inflator ×1
Needle valve adapter ×1
Nozzle
Replacement fuse ×1
Presta-to-Schrader adapter ×1
User manual

Who is it for?

A good fit for

Drivers who want a compact, vehicle-powered inflator for topping up car, motorcycle or bicycle tires.
Buyers who value preset pressure shut-off and a pressure display for routine tire maintenance.
People who also need adapters for sports balls or bicycle valves.

Less suited to

Anyone needing a cordless inflator or one that runs from USB power.
Buyers inflating large truck tires or needing extended continuous operation without cooling breaks.

AstroAI S1 CZK-3676 12V Tire Inflator with LCD Gauge · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 11,705 ratings

5 stars71%71%
4 stars14%14%
3 stars6%6%
2 stars3%3%
1 star6%6%

Customer feedback describes the inflator as easy to use, compact and quick for routine tire inflation, with positive remarks about setting pressure and using it for car emergencies. These impressions align with its listed digital gauge and vehicle-powered format, though reported speed is not a guaranteed result. Feedback is mixed on cord reach and build quality, so those points matter if access around a vehicle or perceived durability is a priority.