Split your purchase into monthly payments with Tamara
Split your purchase into 4 payments with Tabby
The Xiaomi Portable Electric Air Compressor 2 Pro is a faster and more powerful cordless inflator designed for cars, motorcycles, bicycles, electric scooters and sports balls. Compared with the standard Compressor 2, it offers a larger 27mm cylinder, longer battery life, faster tyre inflation, an extended hose and additional emergency lighting modes.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Xiaomi |
| Product Name | Xiaomi Portable Electric Air Compressor 2 Pro |
| Model | MJCQB07PQW |
| Product Type | Cordless Electric Tyre Inflator |
| Pressure Range | 3–150PSI / 0.2–10.3bar |
| Pressure Accuracy | Approximately ±1PSI |
| Cylinder Diameter | 27mm |
| Preset Modes | 6 |
| Automatic Stop | Supported |
| Battery Capacity | 2500mAh |
| Battery Energy | 27Wh |
| Rated Input | 5V ⎓ 3A |
| Fast Charging | Up to 9V/2A |
| Charging Port | USB Type-C |
| Charging Time | Approximately 3.5 Hours |
| Main Hose Length | Approximately 230mm |
| Extension Hose | Approximately 400mm |
| Lighting Modes | White Light, SOS and Red Flashing Light |
| Operating Temperature | -10°C to 45°C |
| Product Dimensions | Approximately 152 × 100 × 63mm |
Three Reasons to Choose the Xiaomi Air Compressor 2 Pro
1. Faster Car Tyre Inflation
Under Xiaomi test conditions, the compressor can increase a 205/55 R16 tyre from 2.0bar to 2.5bar in approximately 45 seconds. Inflating the same tyre from completely flat to 2.5bar takes approximately 3.5 minutes, making the Pro model considerably faster than the previous generation.
2. Longer Cordless Battery Life
A fully charged unit can restore approximately 16 passenger-car tyres from maintenance pressure under laboratory conditions. Actual performance depends on tyre size, starting pressure, target pressure and ambient temperature.
3. Accurate Inflation with Automatic Stop
The digital sensor displays the current pressure during inflation and is rated for approximately ±1PSI accuracy. After the target value is selected, the compressor stops automatically when that pressure is reached.
Drivers preparing a practical vehicle emergency kit can explore additional Gadgets for Car available from AS2.
Inflation Performance by Use Case
| Application | Official Test Reference | Recommended Use |
|---|---|---|
| Car Tyre Top-Up | Approximately 45 Seconds | 2.0bar to 2.5bar on a 205/55 R16 tyre |
| Completely Flat Car Tyre | Approximately 3.5 Minutes | 0 to 2.5bar on a 205/55 R16 tyre |
| Car Tyres per Charge | Approximately 16 Top-Ups | Routine pressure maintenance |
| Road Bicycle Tyres | Up to Approximately 30 | 700 × 23c tyres from 0 to 80PSI |
| Basketballs | Up to Approximately 138 | Size 7 balls from 0 to 8PSI |
These figures come from controlled testing and should be treated as performance references rather than guaranteed results for every tyre.
Which Inflation Mode Should You Use?
| Mode | Default Pressure | Adjustable Range |
|---|---|---|
| Custom | 35PSI | 3–150PSI |
| Bicycle | 45PSI | 30–65PSI |
| Motorcycle | 2.4bar | 1.8–3.0bar |
| Car | 2.5bar | 1.8–3.5bar |
| Electric Scooter | 50PSI | 45–60PSI |
| Ball | 8PSI | 4–16PSI |
Always use the pressure recommended by the vehicle, tyre or equipment manufacturer. High-pressure road bicycle tyres above 65PSI should be inflated using Custom mode rather than Bicycle mode.
Xiaomi Air Compressor 2 Pro vs Xiaomi Air Compressor 2
| Feature | Air Compressor 2 Pro | Air Compressor 2 |
|---|---|---|
| Maximum Pressure | 150PSI | 150PSI |
| Cylinder Diameter | 27mm | 19mm |
| Car Tyre Top-Up | Approximately 45 Seconds | Approximately 2 Minutes |
| Flat Car Tyre Inflation | Approximately 3.5 Minutes | Approximately 8 Minutes |
| Car Tyre Top-Ups per Charge | Approximately 16 | Approximately 10 |
| Battery Energy | 27Wh | 14.4Wh |
| Emergency Lighting | White, SOS and Red Flash | Standard White Light |
| Extension Hose | Included | Not Included |
| Best For | Cars, SUVs and Frequent Use | Compact Everyday Carry |
The Pro version is the stronger choice for drivers who regularly maintain several tyres or want faster emergency inflation. The standard model remains smaller and easier to carry for occasional bicycle, scooter or car tyre top-ups.
How to Use the Compressor
- Check the recommended pressure for the tyre or inflatable item.
- Connect the correct valve adapter or quick-release connector.
- Select Car, Motorcycle, Bicycle, Scooter, Ball or Custom mode.
- Adjust the target pressure when necessary.
- Start inflation and monitor the progress on the digital display.
- Wait for the compressor to stop automatically.
- Disconnect the hose carefully because it may become warm.
Charging, Lighting and Road-Trip Use
The compressor charges through USB-C and supports compatible 5V/3A or 9V/2A power sources. It can also be recharged using suitable Power Banks during travel.
The side lighting includes a white illumination mode, an SOS signal and a red flashing warning light. Drivers who need stronger independent lighting can also compare AS2 Led flashlights.
Its cordless operation, storage pouch and included adapters also make it useful alongside essential Camping Gear for road trips and outdoor travel.
Who Should Buy It?
| A Good Choice For | Consider Another Product When |
|---|---|
| Drivers maintaining several vehicle tyres | You need to jump-start a flat car battery |
| SUV, motorcycle and scooter owners | You need continuous workshop-level operation |
| Cyclists requiring accurate high pressure | You mainly inflate large low-pressure boats or mattresses |
| Road-trip and emergency kits | You require a waterproof compressor |
| Users prioritising automatic pressure control | Minimum size and weight are more important than speed |
Safety and Maintenance
The compressor and hose may become hot during extended use, so they should be allowed to cool before handling or starting another long inflation cycle. The device is not waterproof and should not be used in rain or submerged in water.
For longer storage periods, Xiaomi recommends charging the battery at least once every three months. Avoid leaving the compressor inside a vehicle exposed to extreme summer heat for extended periods.
What Is Included in the Box?
The package includes the Xiaomi Portable Electric Air Compressor 2 Pro, Presta valve adapter, needle valve, quick-release air valve, high-pressure extension hose, USB Type-C charging cable, storage bag and user manual.
FAQ
1. What is the maximum pressure of the Xiaomi Air Compressor 2 Pro?
The compressor supports an adjustable pressure range from 3 to 150PSI, equivalent to approximately 0.2 to 10.3bar.
2. How quickly can it inflate a car tyre?
Under Xiaomi test conditions, it can increase a 205/55 R16 tyre from 2.0bar to 2.5bar in approximately 45 seconds.
3. Does the compressor stop automatically?
Yes. It continuously measures pressure and stops automatically after reaching the selected target value.
4. How many tyres can it inflate on one charge?
A fully charged unit can restore approximately 16 passenger-car tyres from 2.0bar to 2.5bar under Xiaomi laboratory conditions.
5. Can it inflate road bicycle tyres above 65PSI?
Yes. Pressures above the Bicycle mode limit should be entered through Custom mode, which supports settings up to 150PSI.
6. Can the compressor be charged with a power bank?
Yes. It can be charged through USB Type-C using a compatible power bank that meets the required charging specifications.
7. Does it connect to the Xiaomi Home app?
No. The Xiaomi Portable Electric Air Compressor 2 Pro does not support Wi-Fi, Bluetooth or Xiaomi Home app connectivity.
Reviews
There are no reviews yet.