Xiaomi Mi 20W Wireless Car Charger (Model WCJ02ZM) User Manual

Introduction

Thank you for choosing the Xiaomi Mi 20W Wireless Car Charger. This device combines a secure car mount with high-speed wireless charging capabilities, designed for convenience and efficiency on the road. It features an electric adjustable grip, a 20W flash charging output, and an integrated cooling system to ensure optimal performance and safety for your mobile device. Please read this manual thoroughly before use to ensure proper installation and operation.

Product Overview

The Xiaomi Mi 20W Wireless Car Charger is designed for easy integration into your vehicle. Key components include the wireless charging pad, electric adjustable grips, and a mounting mechanism.

Figure 1: Front view of the Xiaomi Mi 20W Wireless Car Charger, showing the charging pad and adjustable grips.

Figure 2: Illustration of a hand placing a mobile phone onto the charger, demonstrating the automatic grip mechanism.

Figure 3: Diagram showing the dimensions of the Xiaomi Mi 20W Wireless Car Charger, indicating a height of approximately 5.2 inches (13 cm).

Setup Instructions

1. Choose Mounting Location: Select a suitable location in your vehicle, typically an air vent. Ensure the chosen spot does not obstruct your view or interfere with vehicle controls.
2. Install the Mount: Attach the car charger to your chosen air vent using the provided clip. Ensure it is securely fastened and stable. If using an adhesive base (if included), clean the surface thoroughly before application.
3. Connect Power: Connect the included USB Type-C cable to the charger and plug the other end into your car's 12V power adapter (cigarette lighter socket). Ensure the power adapter provides sufficient output for 20W charging. The round blue indicator light on the charger will illuminate when powered on.
4. Adjust Angle: Adjust the charger's angle for optimal viewing and accessibility. The universal rotation allows for flexible positioning.

Operating Instructions

1. Placing Your Phone: Approach the charger with your Qi-compatible mobile phone. The hidden infrared sensor will detect the phone, and the electric adjustable grips will automatically open. Place your phone onto the charging pad, and the grips will close securely around it.
2. Wireless Charging: Once the phone is securely placed, wireless charging will begin automatically. The charger supports up to 20W flash charging for compatible devices. The effective charging induction distance is up to 4mm, allowing charging even with most phone cases on.
3. Cooling System: The built-in fan and metal thermal pad actively manage the device's temperature. The fan adjusts intelligently to prevent overheating during fast charging, ensuring consistent performance and device protection.
4. Removing Your Phone: To remove your phone, simply tap the side button on the charger. The electric grips will open, allowing you to retrieve your device with one hand.

Maintenance

• Cleaning: Use a soft, dry cloth to wipe the surface of the charger. Avoid using abrasive cleaners or solvents that could damage the device.
• Environmental Conditions: Do not expose the charger to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
• Cable Care: Ensure the USB Type-C cable is not bent sharply or pinched, as this can damage the cable and affect charging performance.

Troubleshooting

If you encounter issues with your Xiaomi Mi 20W Wireless Car Charger, please refer to the following common problems and solutions:

• Charger Not Powering On / Blue Light Not Illuminating:
  • Ensure the USB Type-C cable is securely connected to both the charger and the car's power adapter.
  • Verify that the car's 12V power outlet is functioning correctly.
  • Check if the car's power adapter is properly inserted and receiving power.
• Grips Not Opening/Closing Automatically:
  • Confirm the charger is powered on (blue indicator light).
  • Ensure there are no obstructions blocking the infrared sensor.
  • Try tapping the side button to manually open/close the grips.
  • If the issue persists, disconnect and reconnect the power cable.
• Phone Not Charging Wirelessly:
  • Ensure your phone supports Qi wireless charging.
  • Check that your phone is centered on the charging pad.
  • Remove any thick phone cases (over 4mm) or metallic objects between the phone and the charger.
  • Verify the charger is receiving adequate power from the car adapter.
• Blinking Blue Light / Unusual Noises:
  • A blinking blue light or unusual noises may indicate a power issue or a malfunction.
  • Disconnect the power, wait a few moments, and reconnect.
  • If the problem persists, discontinue use and contact customer support.

Specifications

Safety Information

• Do not disassemble, repair, or modify the device.
• Keep the device away from water, fire, and high temperatures.
• Avoid placing metallic objects or magnetic cards between the phone and the charger during use.
• Ensure the charger is securely mounted to prevent it from falling during vehicle movement.
• Do not operate the device if it has been damaged or exposed to moisture.

Warranty and Support

For warranty information and technical support, please refer to the official Xiaomi website or contact Xiaomi customer service directly. Keep your purchase receipt as proof of purchase.

Manufacturer: Xiaomi