1. Introduction
Thank you for choosing the XIAOMI Jinshajiang 5000mAh Magnetic Wireless Power Bank. This high-quality power bank features premium lithium-ion batteries and advanced charge/discharge chips, delivering outstanding performance in terms of size, safety, power output, and compatibility. Please read this instruction manual carefully before using the product and store it properly for future reference.
This product is designed for convenience and efficiency, offering both magnetic wireless charging and wired fast charging capabilities in an ultra-thin and lightweight form factor.
2. Product Overview
The XIAOMI Jinshajiang Power Bank is an ultra-thin, magnetic wireless power bank with a 5000mAh capacity, offering 15W wireless charging and up to 22.5W wired fast charging. It is flight approved and CCC certified.
Figure 1: XIAOMI Jinshajiang Power Bank - Magnetic & Ultra-thin 5000mAh 15W
The device is remarkably thin at just 6mm and weighs only 98g, making it effortless to carry.
Figure 2: Ultra-thin and Ultra-light Design (6mm thin, 98g light)
It incorporates a flagship-grade Xiaomi Jinshajiang silicon-carbon high-energy-density battery, featuring 16% silicon content and an ultra-large 4369mm² graphite heat spreader for efficient performance.
Figure 3: Xiaomi Jinshajiang Battery Technology
The power bank features a minimalist tech-aesthetic design with an aluminum alloy shell, integrated smooth form, and a glass-fiber charging panel with an excimer coating for a heat-resistant, fine tactile finish.
Figure 4: Minimalist Tech-Aesthetic Design
For a visual demonstration of the product, please watch the official product video:
Video 1: Official Product Overview
3. Setup
Before first use, it is recommended to fully charge your power bank. The power bank features a key (button), a USB-C interface, and power indicator lights.
Figure 5: Power Bank Components (Key, USB-C Interface, Power Indicator Lights)
4. Operating Instructions
4.1. Charging the Power Bank
Connect the power bank to a power source using a USB-C cable. The battery indicator lights will show the charging status:
| Quantity of Electricity | LED1 | LED2 | LED3 | LED4 |
|---|---|---|---|---|
| 0%-25% | Flash* | Extinct | Extinct | Extinct |
| 25%-50% | Always On | Flash | Extinct | Extinct |
| 50%-75% | Always On | Always On | Flash | Extinct |
| 75%-99% | Always On | Always On | Always On | Flash |
| Charge complete | Always On | Always On | Always On | Always On |
| Charging error | Quick flashing * | Quick flashing | Quick flashing | Quick flashing |
*During a slow flash, the battery indicator light stays on for 500 ms and turns off for 500 ms; during a fast flash, it stays on for 250 ms and turns off for 250 ms.
4.2. Charging Other Devices
The power bank offers three fast charging options:
- 15W Max Magnetic Wireless Fast Charging: Simply snap your compatible device onto the power bank. No cables needed.
- 22.5W Max Wired Fast Charging: Use a compatible Type-C cable (rated 3A or higher) to connect your device for rapid charging.
- Wired + Wireless Simultaneous Charging: Charge two devices at once for maximum efficiency. The power bank can also provide wireless charging to other devices while it is being charged itself.
Figure 6: Three Fast Charging Options
When charging other devices via the USB-C port, the battery indicator light status is as follows:
| Indication Light State | LED1 | LED2 | LED3 | LED4 |
|---|---|---|---|---|
| 100%-75% | Always On | Always On | Always On | Always On |
| 75%-50% | Always On | Always On | Always On | Extinct |
| 50%-25% | Always On | Always On | Extinct | Extinct |
| 25%-5% | Always On | Extinct | Extinct | Extinct |
| 5%-0% | Quick flashing | Extinct | Extinct | Extinct |
| Low voltage or battery depleted | Extinct | Extinct | Extinct | Extinct |
4.3. User Tips
- This power bank automatically detects other devices for charging, so manual button operation is not always required.
- Short press the button to check the remaining battery power.
- Double-click the button twice to enter low-current mode. The indicator lights will flash in sequence. This mode exits automatically after 2 hours or by pressing the button again.
- If no wireless charging device is detected within 5 seconds during magnetic wireless charging, the power bank will stop functioning, and all indicator lights will turn off.
- When charging the power bank, it can also provide wireless charging for other devices simultaneously.
- For Xiaomi phones, a magnetic case is required for magnetic charging. It is recommended to use official Xiaomi magnetic cases.
- When using a charger with a 5V/3A output, the power bank supports a maximum wireless charging output of 5W.
- When using a charger with a 9V output that complies with the PD protocol, it supports a maximum wireless charging output of 15W.
5. Maintenance and Safety Guidelines
To ensure optimal performance and longevity of your power bank, please adhere to the following guidelines:
- Operate this equipment within a temperature range of 0°C to 35°C.
- Do not expose the device to high temperatures or near heating devices such as heaters, microwave ovens, or ovens.
- Avoid humid environments to prevent equipment failure.
- Do not drop, crush, or puncture the device.
- This device and its accessories may contain small components. Keep the device and its accessories out of reach of children to prevent accidental damage or choking hazards.
- Do not disassemble the equipment or modify its internal structure, antennas, or other components without authorization to avoid potential hazards.
- Do not charge wireless charging devices that do not meet Qi standards.
- Only use approved or compatible power adapters, chargers, batteries, or data cables to power this device. Using unapproved accessories may cause fires or other hazards.
- Do not place metal objects, NFC cards, or other foreign items in the wireless charging area. Before charging, check for any metal debris attached to the magnet and remove it (e.g., paper clips, card ejectors, etc.).
- In locations where the use of wireless devices is prohibited by laws and regulations (e.g., aircraft or medical facilities), please comply with regulations and cease using or turning off the devices.
- The radio waves emitted by the device may interfere with implantable medical devices (e.g., pacemakers, cochlear implants, hearing aids). Maintain a distance of at least 30 centimeters from implanted medical devices when using wireless charging.
Disposal
Dispose of the equipment in accordance with local regulations; do not treat it as household waste. Follow local disposal guidelines for this equipment and its accessories, and support recycling initiatives.
6. Troubleshooting
- Device not charging wirelessly: Ensure no metal objects, NFC cards, or other foreign items are in the wireless charging area. If no wireless charging device is detected within 5 seconds, the power bank will cease functioning.
- Power bank not charging: Check the charging cable and adapter. Refer to the "Charging the Power Bank" table for indicator light status. If all LEDs are quick flashing, it indicates a charging error.
- Connected device not charging: Ensure the power bank has sufficient charge. Short press the button to check the remaining battery power. If the power bank is at low voltage or battery depleted, all LEDs will be extinct.
- Unexpected behavior: Hold the button for about 9 seconds to reset the system.
7. Specifications
| Product Name | XIAOMI Jinshajiang Power Bank Magnetic Ultra-thin 5000mAh 15W |
| Model | MDY-20-EB |
| Dimensions | 98.5 × 71.5 × 6 mm |
| Weight | 98g (Ultra-light) |
| Shell Material | Metal (Aluminum Alloy) |
| Battery Type | Lithium-ion Battery (Xiaomi Jinshajiang silicon-carbon high-energy-density battery) |
| Rated Battery Energy | 18.58 Wh, 3.79 V, 4900 mAh |
| Typical Battery Energy | 18.95 Wh, 3.79 V, 5000 mAh |
| Rated Capacity | 3000 mAh (5V⎓2A) |
| Input Interface | USB Type-C |
| Output Interface | USB Type-C, Wireless Charger |
| USB-C Input | 5V⎓3A / 9V⎓2.5A (MAX 22.5W) |
| USB-C Output | 5V⎓3A / 9V⎓2.5A (MAX 22.5W) |
| Wireless Output | MAX 15W (iPhone series supports up to 7.5W) |
| Combined Output (USB-C + Wireless) | 5V⎓1.5A (7.5W Max) + 5W Max |
| Operating Frequency Range | 120 kHz ~ 147 kHz |
| Wireless Charging Mechanism | Magnetic Induction |
| Features | Wireless Charge, With LED Lamp, Two-way Quick Charge |
| Certification | CE, CCC Certified |
| Execution Standards | GB 31241-2022, GB 4943.1-2022 |
Note: Due to the inherent characteristics of lithium-ion batteries, their capacity will experience some degree of degradation after prolonged use. The stated capacity is the typical battery capacity at the time of manufacture.
8. Advanced Safety Protections
The XIAOMI Jinshajiang Power Bank is equipped with ten comprehensive safety protections to handle various abnormal electrical conditions reliably. These protections ensure stable and efficient operation for daily use and travel.
Figure 7: Ten Safety Protections
- Electrostatic protection
- Input over-voltage protection
- Output over-voltage protection
- Over-temperature protection
- Output over-current protection
- Under-voltage protection
- Short circuit protection
- Over-discharge protection
- Over-charge protection
- Foreign object detection
9. Support and Documentation
For additional item guides and documents, including a detailed user manual in PDF format, please refer to the official documentation available online. You can access the PDF user manual here.
For more convenient service and video instructions, scan the QR code below:
Scan for Video Instructions