1. Introduction
Thank you for choosing the Xiaomi Mijia Air Pump 2 Pro. This portable electric air compressor is designed for convenient and efficient inflation of various items, including car tires, bicycle tires, motorcycle tires, and sports balls. Featuring high pressure capabilities, a digital display, and multiple preset modes, it ensures accurate and hassle-free inflation. Please read this manual thoroughly before use to ensure proper operation and to maximize the product's lifespan.
2. Safety Information
- Keep the device away from water and moisture.
- Do not disassemble, repair, or modify the product yourself. Contact authorized service personnel for assistance.
- Keep out of reach of children.
- Use only the provided USB-C charging cable and a compatible 5V-3A power adapter.
- Avoid prolonged operation to prevent overheating. Allow the device to cool down between uses if necessary.
- Ensure the nozzle is securely attached to the item being inflated to prevent air leakage or injury.
- Do not over-inflate items. Always refer to the recommended pressure for the item you are inflating.
3. Package Contents
Verify that all items are present in your package:
- Xiaomi Mijia Air Pump 2 Pro × 1
- French gas nozzle conversion head × 1
- Gas needle (for balls) × 1
- Storage bag × 1
- Quick connect air nozzle conversion head × 1
- High pressure air pipe extension tube × 1
- USB-C charging cable × 1
4. Product Overview
The Mijia Air Pump 2 Pro features a compact design with an integrated digital display and control buttons for easy operation. It includes various nozzles to suit different inflation needs.
5. Setup
- Charge the Device: Before first use, fully charge the air pump using the provided USB-C cable and a 5V-3A power adapter. The four-segment power display will indicate charging status.
- Attach the Air Pipe: Connect the high-pressure air pipe extension tube to the air pump's inflation port. Ensure it is securely screwed in.
- Select the Correct Nozzle: Choose the appropriate nozzle for the item you wish to inflate:
- Presta Valve Adapter: For French bicycle valves.
- Ball Needle: For sports balls.
- Quick Connect Gas Nozzle Converter: For standard Schrader valves (cars, motorcycles, most bicycles).
6. Operating Instructions
6.1 Power On/Off
To power on, press and hold the power button. To power off, press and hold the power button again, or the device will automatically shut off after a period of inactivity.
6.2 Connecting to Item for Inflation
Connect the assembled air pipe and nozzle to the valve of the item you want to inflate. Ensure a tight seal to prevent air leakage. The digital display will show the current pressure reading.
6.3 Mode Selection and Pressure Setting
The air pump offers multiple preset inflation modes. Press the mode button to cycle through them:
- Custom Mode: Default 35psi (Adjustable range: 3-150psi / 0.2-10.3bar)
- Bicycle Mode: Default 45psi (Adjustable range: 30-65psi)
- Motorcycle Mode: Default 2.4bar (Adjustable range: 1.8-3.0bar)
- Car Mode: Default 2.5bar (Adjustable range: 1.8-3.5bar)
- Electric Scooter Mode: Default 50psi (Adjustable range: 45-60psi)
- Ball Mode: Default 8psi (Adjustable range: 4-16psi)
Once a mode is selected, use the '+' and '-' buttons to adjust the target pressure. The device features independent pressure detection and will automatically stop once the target pressure is reached.
6.4 Starting and Stopping Inflation
After setting the desired pressure, press the inflation button (usually the central button) to start inflation. The real-time pressure will be displayed. The pump will automatically stop when the target pressure is reached. To manually stop inflation, press the inflation button again.
6.5 Lighting and Emergency Warning
The air pump is equipped with a white LED light for illumination during daily maintenance and a two-color emergency light (red) with SOS flashing mode for emergency situations.
7. Charging
The Xiaomi Mijia Air Pump 2 Pro is equipped with a 2500mAh battery and charges via a USB-C port. Connect the provided USB-C cable to the pump and a 5V-3A power adapter. A full charge takes approximately 3.5 hours. The four-segment power display will indicate the battery level.
8. Maintenance
- Clean the exterior of the air pump with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure the air pipe and nozzles are free from dust and debris before and after use.
- Store the device and its accessories in the provided storage bag in a cool, dry place, away from direct sunlight and extreme temperatures.
- Regularly check the air pipe for any signs of wear or damage. Replace if necessary.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Device malfunction | Charge the device fully; Contact support if issue persists. |
| No inflation or slow inflation | Nozzle not securely attached; Air pipe leakage; Incorrect pressure setting; Low battery | Ensure nozzle is tight; Check air pipe for damage; Verify pressure setting; Charge the device. |
| Inaccurate pressure reading | Nozzle not properly sealed; Device calibration issue | Ensure a tight seal; Recalibrate by turning off and on, or contact support. |
| Device overheats | Prolonged continuous use | Allow the device to cool down for at least 10-15 minutes before resuming use. |
10. Specifications
| Feature | Specification |
|---|---|
| Product Name | Mijia Air Pump 2 Pro |
| Product Model | MJCQB07PQW |
| Inflation Pressure | 0.2-10.3 bar / 3-150 psi |
| Working Temperature | -10 ℃ to 45 ℃ |
| Rated Input | 5V-3A |
| Rated Capacity | 2500mAh |
| Rated Energy | 27Wh |
| Charging Time | Approx. 3.5 hours |
| Product Size (bare machine) | 152 × 100 × 63mm |
| Cylinder Block | 27 cylinder |
| Inflation Speed (205/55 R16 car tire, 2.0 to 2.5 bar) | Approx. 45 seconds (± 10%) |
| Empty Car Tire Inflation (0 to 2.5 bar) | Approx. 3.5 minutes |
| Battery Life (Full Power) | 16 car tires (2.0 to 2.5 bar) 30 road bike tires (0 to 80 psi) 138 basketballs (0 to 8 psi) |
| Pressure Detection Accuracy | ±1psi (digital display accuracy 0.1psi) |
| Features | Auto-stop, LED light, SOS mode, Multiple preset modes, Real-time pressure display |
11. User Tips
- Always check the recommended pressure for your tires or items before inflating. This information is usually printed on the tire sidewall or in the item's manual.
- For optimal battery life, avoid completely draining the battery before recharging.
- When inflating car tires, it's often more efficient to inflate all tires in one session if possible, to avoid multiple cool-down periods.
- The device can get warm during extended use. This is normal. If it becomes excessively hot, allow it to cool down.
- Keep the digital display clean for clear visibility of pressure readings.
12. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Xiaomi website or contact your local authorized dealer. Keep your purchase receipt as proof of purchase for warranty claims.
