1. Introduction
Thank you for choosing the Xiaomi Portable Electric Air Compressor 2. This device is designed for convenient and efficient inflation of various items such as car tires, motorcycle tires, bicycle tires, and balls. Its compact, cordless design and smart features make it an essential tool for on-the-go inflation needs. Please read this manual thoroughly before use to ensure proper operation and maintenance.
2. Safety Information
- Keep out of reach of children.
- Do not operate the compressor in wet conditions or near flammable liquids or gases.
- Ensure the correct pressure setting for the item being inflated to prevent over-inflation and potential damage or injury.
- Do not leave the device unattended during operation.
- Avoid prolonged continuous operation to prevent overheating. Allow the device to cool down if it becomes hot.
- Use only the provided accessories and adapters.
3. Package Contents
Verify that all items are present in your package:
- Xiaomi Portable Electric Air Compressor 2
- Quick Connect Valve Adapter
- Presta Valve Adapter
- Needle Valve Adapter
- Storage Pouch
Image: The Xiaomi Portable Electric Air Compressor 2 shown with its storage pouch, quick connect valve adapter, Presta valve adapter, and needle valve adapter. Various items it can inflate, such as a car, motorcycle, bicycle, scooter, and basketball, are also depicted.
4. Product Overview
The Xiaomi Portable Electric Air Compressor 2 features a compact and user-friendly design with a digital display for precise pressure readings.
Image: A graphic highlighting the key features of the Xiaomi Portable Electric Air Compressor 2, including 2200 mAh capacity, 150 psi/10.3 bar maximum pressure, 1psi precision detection, preset tire pressure, automatic stop, LED light, and USB charging.
Image: The Xiaomi Portable Electric Air Compressor 2 shown next to a smartphone to illustrate its compact size and light weight of 490g, with dimensions of 123x75.5x45.8mm, emphasizing its portability.
5. Setup
5.1 Charging the Device
Before first use, fully charge the air compressor. Connect the included USB-C charging cable to the device's charging port and a compatible USB power adapter (not included). The LED indicator will show charging status.
Image: A close-up view of the Xiaomi Portable Electric Air Compressor 2, highlighting its universal Type-C charging port for convenient charging.
5.2 Attaching the Air Hose
Screw the quick connect valve adapter onto the air compressor's inflation port. Select the appropriate valve adapter (Presta, needle) for your item and attach it to the quick connect valve adapter.
Image: The Xiaomi Portable Electric Air Compressor 2 with its quick connect air nozzle adapter attached to a tire valve, demonstrating how to connect the device for inflation. Icons for LED light, easy operation, power button, LCD screen, auto-shut off, and real-time monitoring are also shown.
6. Operating Instructions
6.1 Powering On/Off
Press and hold the power button to turn the device on or off. The digital display will illuminate upon activation.
6.2 Selecting Inflation Mode and Setting Pressure
Use the mode button to cycle through the preset inflation modes (Car, Motorcycle, Bike, Ball, Electric Scooter, Manual). Once a mode is selected, the recommended pressure will be displayed. Use the '+' and '-' buttons to adjust the target pressure if needed. In manual mode, you can set any pressure between 3-150 PSI.
6.3 Starting and Stopping Inflation
Once the desired pressure is set, press the power button to begin inflation. The device will automatically stop when the target pressure is reached. You can manually stop inflation at any time by pressing the power button again.
Image: A person using the Xiaomi Portable Electric Air Compressor 2 to inflate a car tire, demonstrating its ease of use and quick inflation capability, with a note indicating 2.5X faster inflation and less than 2 minutes for a 205/55 R16 tire from 2.0-2.5 BAR.
6.4 LED Light Function
The built-in LED light can be activated by pressing the light button, providing illumination in low-light conditions.
Image: A close-up view of the Xiaomi Portable Electric Air Compressor 2, showing its integrated LED light illuminated, useful for nighttime use.
6.5 Official Product Video
Video: This official video from the seller demonstrates the features and operation of the Xiaomi Portable Electric Air Compressor 2, including its compact size, digital display, and various inflation capabilities for different types of tires.
7. Inflation Modes
The compressor offers 6 preset inflation modes for common items, plus a manual mode for custom pressure settings.
Image: A visual guide to the six inflation modes of the Xiaomi Portable Electric Air Compressor 2: Manual Mode (3-150psi), Bicycle Mode (30-65psi), Car Mode (1.8-3.5bar), Ball Mode (4-16psi), Electric Scooter Mode (45-60psi), and Motorcycle Mode (1.8-3.0bar), each with default and adjustable ranges.
- Manual 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.
8. Maintenance
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the compressor in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure the air hose and adapters are clean and free of debris before and after use.
- Recharge the battery periodically if the device is not used for extended periods to maintain battery health.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Power button not pressed correctly | Charge the device; Press and hold the power button for 2-3 seconds |
| Inflation is slow or weak | Low battery; Air hose or adapter not properly connected; Obstruction in hose | Recharge the device; Ensure all connections are secure; Check for and remove any obstructions |
| Device stops unexpectedly | Target pressure reached (auto-shutoff); Overheating; Low battery | Check current pressure; Allow device to cool down; Recharge the device |
| Inaccurate pressure reading | Adapter not fully sealed; Sensor issue | Ensure adapter is tightly screwed on; Contact customer support if problem persists |
10. Specifications
| Feature | Detail |
|---|---|
| Brand | Xiaomi |
| Model Name | Xiaomi Portable Electric Air Compressor 2 |
| Model Number | MJCQBO6QW |
| Power Source | Battery Powered |
| Voltage | 5 Volts (DC) |
| Maximum Operating Pressure | 150 PSI / 10.3 Bars |
| Noise Level | 80 dB |
| Item Weight | 2.1 Ounces (approx. 0.06 kg) |
| Product Dimensions | 2.97"L x 1.8"W x 4.84"H |
| Battery Type | Lithium Ion (2 A batteries included) |
| Charging Port | USB-C |
| Special Features | Pressure Detection, LED Light, Lightweight, Digital Display, Quick Inflation, Auto Shutoff |
11. Warranty and Support
For warranty information and customer support, please refer to the official Xiaomi website or contact your local distributor. Keep your purchase receipt as proof of purchase.
A digital version of the Instructions for Use (IFU) is available for download: Download PDF Manual