1. Introduction
Thank you for choosing the Xiaomi Mijia Smart Pump 2. This portable electric air compressor is designed for rapid and precise inflation of various tires and balls, featuring digital tire pressure detection, preset pressure stop, and a convenient Type-C interface for charging. Please read this manual carefully before use to ensure safe and optimal performance.
Figure 1: Xiaomi Mijia Smart Pump 2
2. Safety Information
- Keep the device away from water and moisture.
- Do not operate the pump near flammable liquids or gases.
- Ensure the air hose is securely connected before inflation to prevent accidental detachment.
- Do not leave the pump unattended during operation.
- Keep out of reach of children.
- Avoid prolonged continuous operation to prevent overheating. Allow the device to cool down if it becomes hot.
- Use only the provided charging cable and adapters.
3. Package Contents
Please check the package for the following items:
- Air compressor ×1
- Quick connect valve adapter ×1
- Needle valve adapter ×1
- Presta valve adapter ×1
- Storage pouch ×1
- Charging cable ×1
- User manual ×1
Figure 2: Package Contents Diagram
4. Product Overview
Key Features:
- Digital Tire Pressure Detection: Accurate real-time pressure display.
- Preset Pressure Stop: Automatically stops inflation once the target pressure is reached.
- Rapid Inflation: Approximately 25% faster inflation speed compared to previous models.
- Long Battery Life: Can inflate up to 10 car tires (205/55 R16 from 2.0bar to 2.5bar) on a full charge.
- Built-in Light: Improved brightness for convenient night use.
- Pass-through Air Duct Design: Enhances air circulation and heat dissipation.
- Multiple Inflation Modes: 6 preset modes for various items (Free, Bicycle, Motorcycle, Car, Electric Scooter, Ball).
- Lightweight & Portable: Weighs approximately 490g for easy carrying and storage.
- Quick Connect Valve Adapter: For easy and mess-free attachment.
- Type-C Charging: Modern and convenient charging interface.
Figure 3: Overview of Key Features
Figure 4: Pass-through Air Duct Design for Efficient Heat Dissipation
Figure 5: Built-in Lithium Battery for Cordless Operation
5. Setup
5.1 Charging the Device
- Connect the provided Type-C charging cable to the charging port on the pump.
- Connect the other end of the cable to a 5V ⎓ 2A power adapter (not included).
- The four-grid battery-level display will indicate charging status. A full charge takes approximately 3 hours.
5.2 Attaching the Air Hose and Adapters
- Pull out the air hose from its storage slot. This action also turns on the device.
- Select the appropriate valve adapter for your item (Schrader, Presta, or needle valve).
- Screw the selected adapter onto the end of the air hose.
- For quick connect, use the quick connect valve adapter.
Figure 6: Air Hose On/Off Switch and Battery Display
Figure 7: Attaching the Quick Connect Valve Adapter
6. Operating Instructions
6.1 Power On/Off
- To power on, pull out the air hose from its storage slot.
- To power off, push the air hose back into its storage slot.
6.2 Selecting Inflation Mode and Setting Pressure
- With the device powered on, press the mode button (usually indicated by an icon with multiple vehicles/items) to cycle through the 6 preset inflation modes: Free mode, Bicycle mode, Motorcycle mode, Car mode, Electric scooter mode, and Ball mode.
- Each mode has a default pressure. Use the '+' and '-' buttons to adjust the target pressure as needed. The digital display will show the current and target pressure.
- The device will remember your last set pressure for each mode.
Figure 8: 6 Preset Inflation Modes and Adjustable Ranges
6.3 Starting Inflation
- Connect the air hose with the appropriate adapter to the item you wish to inflate.
- Ensure the target pressure is set correctly.
- Press the start/stop button (usually a circular button in the center) to begin inflation.
- The pump will automatically stop once the preset pressure is reached.
- To manually stop inflation, press the start/stop button again.
Figure 9: Inflating a Car Tire with the Smart Pump 2
6.4 Using the Built-in Light
- Press the light button (usually indicated by a light bulb icon) to turn the built-in light on or off. This is useful for night-time inflation or in low-light conditions.
Figure 10: Built-in Light for Night Use
7. Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or immerse in water.
- Storage: Store the pump in its storage pouch in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the air hose is pushed back into its slot to turn off the device and prevent accidental discharge.
- Battery Care: For optimal battery life, charge the device fully before long-term storage and recharge it every 3-6 months.
Figure 11: Storage Pouch for Convenient Accessory Storage
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not turn on. | Battery is depleted; Air hose not pulled out. | Charge the pump; Pull out the air hose completely. |
| Pump does not inflate. | Air hose not securely connected; Incorrect mode selected; Target pressure not set. | Ensure air hose and adapter are tightly connected; Select the correct inflation mode; Set a target pressure. |
| Inaccurate pressure reading. | Adapter not fully sealed; Sensor malfunction. | Ensure a tight seal between adapter and valve; Contact support if issue persists. |
| Pump overheats. | Prolonged continuous use. | Turn off the pump and allow it to cool down for at least 10-15 minutes before resuming use. |
9. Specifications
| Feature | Detail |
|---|---|
| Product Model | MJCQB06QW |
| Battery Type | Lithium-ion battery |
| Operating Temperature | -10°C to 45°C |
| Storage Temperature | -10°C to 45°C |
| Noise Value (at 1m) | <80dB(A) |
| Charging Port | Type-C |
| Sensor Accuracy | ±1psi |
| Product Dimensions | Approx. 123 × 75.5 × 45.8mm (device only) |
| Air Hose Length | 200mm (including Schrader valve adapter) |
| Net Weight | Approx. 490g |
| Inflation Pressure Range | 0.2–10.3bar / 3–150psi |
| Charging Temperature | 5°C to 40°C |
| Rated Capacity | 2000mAh (14.4Wh) |
| Rated Charging Voltage | 5V ⎓ 2A |
| Charging Time | Approx. 3 hours |
| Executive Standard | Q/310107QW007 |
| Air Valve Size (Inner Diameter) | Schrader: Φ 6.9mm, Presta: Φ 6mm, Quick Connect: Φ 6.9mm |
Figure 12: Compact design for easy storage in a car
10. User Tips
- Always check the recommended pressure for your tires or inflatable items before use.
- For car tires, it's often best to check and adjust pressure when tires are cold for the most accurate reading.
- Utilize the preset modes for quick and convenient inflation, but don't hesitate to fine-tune the pressure using the '+' and '-' buttons for specific needs.
- The built-in light is very useful in dimly lit environments, making valve connection easier.
- Keep the storage pouch handy to keep all adapters organized and prevent loss.
11. 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.
