AstroAI L7 Tire Inflator Portable Air Compressor
- Air Compressors & Inflator
- 1.2 cu ft
- 1.2 cu ft
- ABS Plastic
- More reviewed than 74%
A cordless inflator built for routine top-ups on cars, bikes and motorcycles, with a flashlight and phone-charging ports for roadside use, not heavy-duty or continuous work.
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How it ranks among the 19 air compressors & inflators we track
4.3★ across 17,800 Amazon ratings, Bayesian-smoothed toward the category average.
17,800 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
30,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 19 air compressors & inflators we track - how the scorecard works · full air compressors & inflators data report. Confidence: high - strong rating volume and complete data.Updated 8 days ago. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The AstroAI L7 (AIRUN L7) is a cordless tire inflator with a 4000mAh battery, rated to 150 PSI, with preset modes for cars, motorcycles, bicycles and balls plus a custom 3-150 PSI setting. It suits drivers who want a small battery-powered pump for routine top-ups rather than a corded compressor plugged into the car.
Its pressure sensor samples 200 times per second, which the manufacturer positions against typical inflators as a way to reduce the lag and overshoot common with slower gauges. The built-in flashlight and USB-C power bank ports are aimed at roadside use, not just the driveway. It is explicitly not rated for tires over 25 inches, so it is sized for cars, motorcycles and bikes rather than trucks or trailers.
- 4000mAh battery good for up to 8 tire top-ups per charge
- 150 PSI maximum, custom range 3 to 150 PSI
- Refills a 195/65R15 tire from 30 to 36 PSI in about 1.5 minutes
- Flashlight with flashlight, SOS and strobe modes
Who it's for
Fits anyone who wants a cordless pump for cars, motorcycles, bicycles or sports balls and prefers battery power over running a cord to the 12V outlet. Not sized for heavy-duty truck tires or continuous shop use, since it needs a 10-minute rest after 15 minutes of continuous running.
Strengths and trade-offs
Drawn from this product's published specifications.
- Preset modes for cars, motorcycles, bicycles, balls and a custom setting
- Reads PSI, Bar, kPa and kg/cm2
- Under 1 pound and includes a flashlight with SOS/strobe modes
- USB-C in/out can charge a phone in an emergency
- Needs a 10-minute rest after 15 minutes of continuous use
- Not rated for tires larger than 25 inches
Performance notes
The 200-samples-per-second sensor keeps the digital readout close to real time so the auto-shutoff cuts power right at the preset pressure instead of overshooting it. On a full charge the 4000mAh battery is rated for up to eight standard car tire top-ups, and the unit needs a 10-minute rest after 15 minutes of continuous running to avoid overheating.
Specifications
| Brand | AstroAI |
|---|---|
| Model | AIRUN L7 |
| Dimensions & fit | |
| Item Weight | 15.4 ounces |
| Capacity & performance | |
| Capacity | 1.2 cu ft |
| Tank Volume | 1.2 cu ft |
| Noise | 80 db |
| Power & efficiency | |
| Voltage | 12 volts |
| Construction & materials | |
| Material Type | ABS Plastic |
| Color | Orange |
| Included components | |
| Unit Count | 1 |
| Included Components | Air Nozzles× 2, Needle Valve Adapter× 1, Presta to Schrader Adapter× 1, Cordless Tire Inflator × 1, Quick Connector× 1, USB Charging Cord× 1, User Manual× 1 |
| Warranty & support | |
| Manufacturer Warranty Description | 2 years |
| Other details | |
| Number of Items | 1 |
| Style | Modern |
| Item Highlight | For Car Tires, Bikes, Motorcycles and Balls; Auto Shut-off, Digital Display Pressure Gauge, Fast Inflation, LED Light |
| Additional Features | Automatic Shut-Off, Digital, Portable |
| Maximum Pressure | 150 psi |
| Recommended Uses For Product | Ball Inflation, Tire Inflation |
Other AstroAI air compressors & inflators
How it compares
This product against the closest alternatives we track in air compressors & inflators.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| AstroAI L7 Tire Inflator Portable Air CompressorThis product | 4.3 / 5 | 17,800 | 4.5 / 5 |
| ROCGORLD R8 Tire Inflator Portable Air CompressorRocgorld | 4.5 / 5 | 11,000 | 4.5 / 5 |
| Milwaukee M18 Inflator 2848-20Milwaukee | 4.8 / 5 | 5,100 | 4.5 / 5 |
| EPAuto 12V DC Portable Air Compressor PumpEPAuto | 4.5 / 5 | 58,800 | 4.4 / 5 |
| Airmoto Tire Inflator Portable Air Compressor for CarsAirmoto | 4.3 / 5 | 28,900 | 4.4 / 5 |
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Questions about the AstroAI AIRUN L7
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How many tires can the AstroAI L7 inflate on one charge?
AstroAI rates the 4000mAh battery for up to 8 standard car tire top-ups (195/65R15 from 30 to 36 PSI) per full charge.
What pressure units does the AIRUN L7 support?
It supports PSI, Bar, kPa and kg/cm2, with preset modes for cars, motorcycles, bicycles and balls plus a custom 3-150 PSI setting.
Can the AstroAI L7 inflate truck tires?
No, the manufacturer specifies it is not suitable for tires larger than 25 inches, such as heavy-duty truck tires.