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Is the Mijia Compact Air Compressor Right for You?
The Mijia Compact Portable Electric Air Compressor is designed for users who prioritise low weight, accurate pressure control and easy storage. It weighs approximately 240g, reaches up to 150PSI and automatically stops when the selected pressure is reached. It is best suited to bicycles, motorcycles, electric bikes, scooters and sports balls, while car tyres can be topped up during emergencies.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Xiaomi Mijia |
| Product Name | Mijia Compact Portable Electric Air Compressor |
| Model | MJBXCQBQW |
| Pressure Range | 3–150PSI / 0.2–10.3bar |
| Pressure Accuracy | Approximately ±1PSI |
| Preset Modes | 5 |
| Automatic Stop | Supported |
| Battery Capacity | 2000mAh / 7.2Wh |
| Charging Input | 5V ⎓ 2A |
| Charging Port | USB Type-C |
| Charging Time | Approximately 1.5 Hours |
| Lighting | Steady White Light and SOS Flashing |
| Air Hose Length | Approximately 85mm |
| Operating Temperature | -10°C to 45°C |
| Dimensions | Approximately 60 × 38 × 93mm |
| Net Weight | Approximately 240g Including Air Hose |
Quick Decision Guide
| Choose This Compressor If | Consider a Larger Model If |
|---|---|
| You need a lightweight bicycle or scooter pump | You regularly inflate large SUV tyres |
| You want accurate digital pressure readings | You need faster full-car-tyre inflation |
| You need automatic stop at a preset pressure | You require workshop-level continuous operation |
| You want a pump that fits inside a small bag | You mainly inflate mattresses or inflatable boats |
| You need emergency car tyre top-ups | You want a built-in vehicle jump starter |
Drivers building a portable emergency kit can explore additional Gadgets for Car available from AS2.
Real-World Inflation Performance
The compact brushless motor and high-pressure cylinder support common personal mobility equipment without requiring a manual pump. Performance varies according to tyre volume, starting pressure, target pressure and temperature.
| Application | Official Test Reference |
|---|---|
| Flat 700 × 23C Bicycle Tyre | Approximately 60 Seconds from 0 to 80PSI |
| Bicycle Tyre Top-Up | Approximately 20 Seconds from 60 to 80PSI |
| Electric Bicycle Tyre Top-Up | Approximately 10 Seconds from 2.0 to 2.5bar |
| Passenger-Car Tyre Top-Up | Approximately 105 Seconds from 2.0 to 2.5bar |
| Flat Bicycle Tyres per Charge | Up to Approximately 8 |
The car performance figure is intended as an emergency pressure top-up reference. This compact model is not the best choice for repeatedly inflating large car, off-road or truck tyres.
Five Inflation Modes Explained
| Mode | Default Pressure | Adjustable Range |
|---|---|---|
| Motorcycle / Electric Bicycle | 2.4bar | 1.8–3.0bar |
| Bicycle | 45PSI | 30–120PSI |
| Electric Scooter | 50PSI | 45–60PSI |
| Ball | 8PSI | 4–16PSI |
| Custom | 35PSI | 3–150PSI |
Custom mode remembers the last selected pressure, reducing setup time during repeated use. The recommended pressure printed on the tyre, vehicle label or equipment manual should always take priority over a default preset.
How to Inflate a Tyre in Six Steps
- Check the recommended pressure for the tyre or inflatable item.
- Connect the Schrader hose, Presta adapter or ball needle.
- Turn on the compressor.
- Select the correct mode or enter a custom pressure.
- Start inflation and monitor the digital display.
- Wait for the compressor to stop automatically.
The air hose and compressor body may become hot during extended use. Allow the unit to cool before starting another long inflation session.
Mijia Compact Air Compressor vs Xiaomi Air Compressor 2
| Feature | Mijia Compact Compressor | Xiaomi Air Compressor 2 |
|---|---|---|
| Maximum Pressure | 150PSI | 150PSI |
| Weight | Approximately 240g | Approximately 490g |
| Battery Energy | 7.2Wh | 14.4Wh |
| Charging Time | Approximately 1.5 Hours | Approximately 3 Hours |
| Preset Modes | 5 | 6, Including Dedicated Car Mode |
| Car Tyre Use | Emergency Top-Ups | Better Suited to Routine Car Maintenance |
| Best Advantage | Smaller and Approximately 50% Lighter | Larger Battery and Broader Vehicle Use |
Choose the Mijia Compact model when portability is the main priority. Choose the larger Xiaomi Air Compressor 2 when car tyres and longer battery life are more important.
Charging and Outdoor Use
The 2000mAh battery charges through USB-C in approximately 1.5 hours using a compatible 5V/2A source. It can also be recharged using suitable AS2 Power Banks during travel.
The built-in white light helps locate tyre valves after dark, while the SOS flashing mode can improve visibility during an emergency. Dedicated AS2 LED flashlights provide stronger illumination for camping and roadside repairs.
What Is Included in the Box?
The package includes the Mijia Compact Portable Electric Air Compressor with Schrader-compatible hose, Presta valve adapter, needle valve adapter, storage pouch and user manual. A charging cable or power adapter may vary according to the regional package.
Its compact dimensions also make it useful alongside essential Camping Gear for cycling trips, road travel and outdoor activities.
FAQ
1. What is the maximum pressure of the Mijia Compact Portable Electric Air Compressor?
The compressor supports an adjustable pressure range from 3 to 150PSI, equivalent to approximately 0.2 to 10.3bar.
2. Is this compressor suitable for car tyres?
It can top up passenger-car tyres during emergencies, but Xiaomi primarily designed this compact model for bicycles, motorcycles, electric bikes, scooters and sports balls.
3. Does the compressor stop automatically?
Yes. It monitors pressure during operation and stops automatically once the selected target value is reached.
4. How long does the battery take to charge?
The 2000mAh battery takes approximately 1.5 hours to charge using a compatible 5V/2A USB-C power source.
5. Can it inflate road bicycle tyres?
Yes. Bicycle mode can be adjusted from 30 to 120PSI, while Custom mode supports pressures up to 150PSI.
6. Can the compressor be charged with a power bank?
Yes. A compatible power bank with a 5V/2A output can charge the compressor through its USB-C port.
7. Does it connect to the Xiaomi Home app?
No. The Mijia Compact Portable Electric Air Compressor does not support Wi-Fi, Bluetooth or Xiaomi Home app connectivity.
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