MI WPB15ZM
MI 10000mAh Lithium Polymer Wireless Power Bank User Manual
Model: WPB15ZM | Brand: MI
Introduction
Thank you for choosing the MI 10000mAh Lithium Polymer Wireless Power Bank WPB15ZM. This manual provides essential information for the safe and efficient use of your power bank. Please read it thoroughly before operation and retain it for future reference.
Package Contents
Verify that all items are present in the package:
- 1 x MI 10000mAh Lithium Polymer Wireless Power Bank (Model: WPB15ZM)
- 1 x USB Type-C Cable
- 1 x User Manual
Product Overview
The MI WPB15ZM power bank features both wired and wireless charging capabilities, designed for convenience and efficiency.

Image: Top view of the MI Wireless Power Bank WPB15ZM, showing the USB-A output port, USB-C input port, and the power button with LED indicators.

Image: Diagram illustrating key features of the MI Wireless Power Bank, including Qi Certification, 10W Fast Wireless Charging, and an 18W Fast Charging Output Port.

Image: Diagram highlighting additional features: Fast Charging USB-C Input Port, Lithium Polymer Battery, and 12-Layer Advanced Chip Protection for enhanced safety and durability.
Components:
- Power Button: Activates the power bank and checks battery level.
- LED Indicators: Four LEDs indicate the remaining battery charge (each LED represents approximately 25% charge).
- USB-A Output Port: For wired charging of devices.
- USB-C Input Port: For recharging the power bank.
- Wireless Charging Pad: Located on the top surface for wireless charging compatible devices.
Setup
Before first use, it is recommended to fully charge your MI Wireless Power Bank.
- Initial Charge: Connect the provided USB Type-C cable to the power bank's USB-C input port. Connect the other end of the cable to a compatible USB wall charger (not included). For optimal charging speed, use an 18W (9V/2A or 12V/1.5A) charger.
- Charging Indication: The LED indicators will blink during charging and remain solid when fully charged. A full charge typically takes approximately 4 hours with an 18W charger or 6 hours with a 10W (5V/2A) charger.
Operating Instructions
Wired Charging
- Connect your device's charging cable to the USB-A output port of the power bank.
- Connect the other end of the cable to your device.
- Press the power button on the power bank to initiate charging. The LED indicators will light up to show the remaining battery level.
- The power bank supports 18W fast charging via the USB-A output port.
Wireless Charging

Image: Top view of the MI Wireless Power Bank, highlighting the central wireless charging pad with its distinctive symbol.
- Ensure your device supports Qi wireless charging.
- Press the power button on the power bank to activate wireless charging.
- Place your Qi-compatible device centrally on the wireless charging pad of the power bank. Ensure proper alignment for efficient charging.
- The power bank provides up to 10W wireless charging.
- If charging does not begin, adjust the position of your device on the pad.
Note: The power bank can charge devices via both wired and wireless methods simultaneously, though total output may be distributed.
Recharging the Power Bank
To recharge the power bank, follow the steps outlined in the Setup section. The LED indicators will show charging progress.
Maintenance
- Keep the power bank dry. Do not expose it to moisture or extreme temperatures.
- Clean the power bank with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store the power bank in a cool, dry place when not in use.
- Avoid dropping or subjecting the power bank to strong impacts.
- For optimal battery life, fully charge and discharge the power bank at least once every three months if not used regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging device. | Low power bank battery; cable issue; device not compatible; power bank not activated. | Recharge power bank; try a different cable; ensure device is compatible; press power button. |
| Wireless charging not working. | Device not Qi-compatible; improper alignment; power bank not activated; thick phone case. | Verify Qi compatibility; reposition device; press power button; remove thick phone case. |
| Power bank not recharging. | Faulty charging cable/adapter; power bank port damage. | Try a different USB-C cable and wall adapter; contact support if port is damaged. |
| Slow charging. | Cable quality; device input limit; multiple devices charging. | Use original or high-quality cables; check device's charging input; charge one device at a time for maximum speed. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | WPB15ZM |
| Battery Type | Lithium Polymer |
| Battery Capacity | 10000mAh |
| Wired Output | 18W Fast Charge (USB-A) |
| Wireless Output | 10W Max |
| Input Port | USB Type-C (18W Fast Charge compatible) |
| Dimensions (LxWxH) | 14.8 x 7.1 x 1.7 cm |
| Weight | 230 g |
| Color | Black |
| Special Features | Fast Charging, Wireless Charging, 12-Layer Advanced Chip Protection |
Warranty and Support
This MI product comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including the warranty period and coverage details.
For technical support, service, or warranty claims, please contact MI customer service through their official website or the contact information provided on your purchase receipt.
Manufacturer: Kunshan Xuanchuang Electronic Co., Ltd, Xiaomi Technology India Private Limited
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