Introducció
Thank you for choosing the Xiaomi MI 50W Power Bank 20000mAh. This high-capacity portable charger is designed to provide reliable and fast charging for a wide range of electronic devices, including smartphones, tablets, and laptops. With its 20000mAh capacity and 50W maximum output, it ensures your devices stay powered throughout the day. This manual provides essential information on how to use and maintain your power bank safely and effectively.

Figura 1: Frontal view of the Xiaomi MI 50W Power Bank 20000mAh.

Figure 2: The power bank features an upgraded design with UV paint treatment and ceramic-like gloss for a smooth, premium feel.
Configuració
1. Càrrega inicial del banc d'energia extern
Before first use, it is recommended to fully charge your Xiaomi MI 50W Power Bank. Use a compatible USB-C charger and cable to connect the power bank's USB-C port (IN/OUT 2) to a power source. The LED indicators will show the charging progress.
- A full charge typically takes approximately 4.5 hours with a 45W MAX input.
- The power bank supports two-way fast charging via its Type-C port.

Figure 3: The Type-C port supports two-way fast charging, allowing the power bank to be fully charged in about 4.5 hours.
2. Understanding the Ports
El banc d'energia té diversos ports per a una càrrega versàtil:
- OUT 1 (USB-A): Port de sortida per a dispositius de càrrega.
- IN/OUT 2 (USB-C): Bidirectional port for both charging the power bank and charging devices, including laptops.
- OUT 3 (USB-A): Port de sortida per a dispositius de càrrega.

Figura 4: superior view of the power bank showing the USB-A output ports (OUT 1, OUT 3) and the versatile USB-C input/output port (IN/OUT 2).
Instruccions de funcionament
1. Dispositius de càrrega
Connect your device to one of the power bank's output ports using a suitable charging cable. The power bank will automatically begin charging your device.
- Càrrega simultània: The power bank can charge up to three devices simultaneously using its two USB-A ports and one USB-C port.
- Sortida d'alta potència: The USB-C port supports up to 50W MAX output, suitable for charging laptops like MacBook Pro and Mi Notebooks, as well as the Nintendo Switch.
- Càrrega de baix corrent: For smaller devices such as Bluetooth earbuds and smart bands, the USB-A ports support low-current charging. Double-press the power button to activate low-current charging mode if your device is not detected or charging properly.

Figure 5: The Type-C port provides fast charging for high-power devices, including laptops.

Figure 6: USB-A ports are ideal for charging low-current devices like Bluetooth earbuds and smart bands.
2. Comprovació del nivell de la bateria
Press the power button once to check the remaining battery level. The LED indicators next to the USB-C port will illuminate to show the charge status.
- Each LED light typically represents approximately 25% of the battery capacity.
Manteniment
Una cura i un manteniment adequats allargaran la vida útil del vostre banc d'energia.
- Neteja: Feu servir un drap suau i sec per netejar la superfície del banc d'energia. Eviteu utilitzar productes químics agressius o materials abrasius.
- Emmagatzematge: Guardeu el banc d'energia en un lloc fresc i sec, allunyat de la llum solar directa, de temperatures extremes i de la humitat.
- Cura de la bateria: To maintain battery health, fully charge the power bank at least once every three months if not in regular use.
- Eviteu les gotes: No deixeu caure el banc d'energia ni el sotmeteu a impactes forts.
- Exposició a l'aigua: Mantingueu el banc d'energia lluny de l'aigua i altres líquids.
Resolució de problemes
If you encounter issues with your Xiaomi MI 50W Power Bank, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El banc d'energia no carrega els dispositius. | Low battery on power bank; incorrect cable; device not compatible; low-current device not detected. | Recharge the power bank. Ensure cable is securely connected and compatible. Try a different cable. For low-current devices, double-press the power button to activate low-current mode. |
| El banc d'energia no es carrega. | Faulty charging cable/adapter; power bank port issue. | Try a different USB-C cable and power adapter. Ensure the connection is secure. |
| Càrrega lenta. | Cable no compatible amb la càrrega ràpida; dispositiu no compatible amb la càrrega ràpida; diversos dispositius connectats. | Use a high-quality, fast-charging compatible cable. Ensure your device supports fast charging. Charging multiple devices simultaneously may reduce individual charging speeds. |
| Els indicadors LED no funcionen. | El banc d'energia està apagat; problema intern. | Press the power button once to check the status. If still unresponsive, contact customer support. |

Figure 7: The power bank incorporates multiple circuit protections for enhanced safety, including temperature, short circuit, overvoltage, i protecció contra sobreintensitat.
Especificacions
Key technical specifications for the Xiaomi MI 50W Power Bank 20000mAh:
| Característica | Detall |
|---|---|
| Número de model | BHR5121GL |
| Capacitat de la bateria | 20000 mAh (74 Wh) |
| Port d'entrada | USB tipus C |
| Ports de sortida | 2 USB-A, 1 USB tipus C |
| Potència de sortida màxima | 50 W (USB tipus C) |
| Dimensions | 6.06 x 2.9 x 1.07 polzades (153.5 x 73.5 x 27.5 mm) |
| Pes | 1.03 lliures |
| Tipus de bateria | Polímer de liti |
| Temps de càrrega | Aprox. 4.5 hores (amb carregador de 45 W) |

Figure 8: Physical dimensions of the Xiaomi MI 50W Power Bank.
Informació de la garantia
Xiaomi products are manufactured to the highest quality standards. This product is covered by a limited warranty from the date of purchase. Please refer to the warranty card included with your product or visit the official Xiaomi weblloc web per obtenir informació detallada sobre els termes i condicions de la garantia específics de la vostra regió. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.
Atenció al client
Per a assistència tècnica, assistència per a la resolució de problemes o consultes sobre la garantia, poseu-vos en contacte amb el servei d'atenció al client de Xiaomi a través del seu servei oficial. website or the contact information provided in your product packaging. You can also visit the official Xiaomi store on Amazon for more product information and support resources.
Xiaomi Official Store: Visit Xiaomi Store on Amazon





