AstroAI S1 Portable Tyre Inflator 12V DC — Digital Gauge, Auto Shutoff, LED Light

AstroAI S1 is a compact 12V portable air compressor that quickly inflates tires while displaying precise pressure on a clear digital gauge and auto-shutting off at your preset PSI. The AstroAI S1 Tire Inflator is built for drivers who want a reliable, easy-to-use tire pump for roadside top-ups and routine maintenance. Lightweight and stowable in a trunk or garage, this 12V DC unit plugs into your vehicle’s cigarette lighter, uses a large LCD for immediate pressure feedback, and stops automatically once it reaches the pressure you set. With a rapid inflation motor, built-in LED light and a small accessory kit, the S1 covers cars, SUVs, motorcycles, sports gear and inflatables for everyday convenience.

How fast will the S1 refill a standard car tire?

The S1 is engineered for quick inflation: it reaches up to 150 PSI and demonstrates real-world speed such as taking a 185/55 R14 tire from 30 to 36 PSI in under a minute, and from fully flat to 36 PSI in under five minutes. This makes it practical for short roadside stops and routine pressure adjustments before trips.

• Maximum pressure: 150 PSI for rapid fills
• Example speed: 30→36 PSI in under 1 minute for a 185/55 R14 tire
• 0→36 PSI in under 5 minutes for similar small-vehicle tires

What power connection and auto features does it use?

The unit draws power from a vehicle 12V DC cigarette lighter socket and includes a 15A fuse for compatibility and protection. Use the digital controls to set a target PSI and the inflator will shut off automatically when the target is reached, reducing the risk of overinflation and letting you monitor pressure without continuous manual checking.

• Power: plugs into 12V DC cigarette lighter (15A fuse)
• Controls: "+" and "–" buttons to set desired PSI
• Smart feature: automatic shutoff at preset pressure

Can I use the S1 for items beyond car tires?

Yes — the S1 comes with a selection of adapters to support bicycles, sports balls and other inflatables. The accessory kit includes multiple nozzles and adapters, making it a versatile inflator for travel, outdoor activities or quick household tasks.

• Included: 2 nozzles, needle valve adapter, Presta-to-Schrader adapter
• Useful for: bike tires, sports balls, pool floats and small inflatables
• Compact design: easy to store in a trunk or garage

What practical design details help during roadside emergencies?

The S1 includes an integrated LED light that activates while the unit is powered, improving visibility for nighttime or low-light tire work. Extended cord and hose lengths make it easier to reach all four wheels from a single power outlet, and a replacement fuse is included to keep you moving if a fuse issue arises.

• Built-in LED light for nighttime visibility
• 9.87 ft power cord and 1.57 ft air hose for extended reach
• Replacement fuse included for on-the-go reliability

Who is this for? The AstroAI S1 is suited to everyday drivers, commuters, cyclists, and outdoor enthusiasts who want a dependable, compact inflator for routine tire care and occasional roadside top-ups. It’s ideal for passenger cars, SUVs and motorcycles, as well as anyone needing a multipurpose inflator for sports gear and pool items. Not intended for large commercial truck tires; follow duty-cycle guidance and allow cooling after extended use to protect the motor.

FAQ

Q: Does the AstroAI S1 automatically stop at my set PSI?

A: Yes. Use the +/− buttons to set target PSI and the inflator will shut off automatically when that pressure is reached.

Q: Can I use this on bike and sports equipment?

A: Yes. The S1 includes a needle valve adapter and Presta-to-Schrader adapter for bikes, balls and other inflatables.