Xiaomi BHR5121GL
Xiaomi MI 50W Power Bank 20000mAh User Manual
Modelo: BHR5121GL
Introdución
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: Fronte 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.
Configuración
1. Carga inicial do banco de enerxía
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
The power bank features multiple ports for versatile charging:
- OUT 1 (USB-A): Output port for charging devices.
- IN/OUT 2 (USB-C): Bidirectional port for both charging the power bank and charging devices, including laptops.
- OUT 3 (USB-A): Output port for charging devices.

Figura 4: Arriba 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).
Instrucións de funcionamento
1. Dispositivos de carga
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.
- Carga simultánea: The power bank can charge up to three devices simultaneously using its two USB-A ports and one USB-C port.
- Saída de alta potencia: 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.
- Low-Current Charging: 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. Comprobando o nivel da batería
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.
Mantemento
Proper care and maintenance will extend the lifespan of your power bank.
- Limpeza: Usa un pano suave e seco para limpar a superficie da batería externa. Evita o uso de produtos químicos agresivos ou materiais abrasivos.
- Almacenamento: Garda a batería externa nun lugar fresco e seco, lonxe da luz solar directa, de temperaturas extremas e da humidade.
- Coidado da batería: To maintain battery health, fully charge the power bank at least once every three months if not in regular use.
- Evita gotas: Non deixe caer o cargador portátil nin o someta a impactos fortes.
- Exposición á auga: Manteña o banco de enerxía lonxe da auga e outros líquidos.
Resolución de problemas
If you encounter issues with your Xiaomi MI 50W Power Bank, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| O banco de enerxía non carga os dispositivos. | 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. |
| O banco de enerxía non se recarga. | Faulty charging cable/adapter; power bank port issue. | Try a different USB-C cable and power adapter. Ensure the connection is secure. |
| Carga lenta. | O cable non admite a carga rápida; o dispositivo non admite a carga rápida; hai varios dispositivos conectados. | Use a high-quality, fast-charging compatible cable. Ensure your device supports fast charging. Charging multiple devices simultaneously may reduce individual charging speeds. |
| Os indicadores LED non funcionan. | O banco de enerxía está apagado; problema interno. | 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, protección contra sobrecorriente.
Especificacións
Key technical specifications for the Xiaomi MI 50W Power Bank 20000mAh:
| Característica | Detalle |
|---|---|
| Número de modelo | BHR5121GL |
| Capacidade da batería | 20000 mAh (74 Wh) |
| Porto de entrada | USB tipo C |
| Portos de saída | 2 x USB-A, 1 x USB Type-C |
| Potencia máxima de saída | 50 W (USB tipo C) |
| Dimensións | 6.06 x 2.9 x 1.07 polgadas (153.5 x 73.5 x 27.5 mm) |
| Peso | 1.03 libras |
| Tipo de batería | Polímero de litio |
| Tempo de carga | Aproximadamente 4.5 horas (cun cargador de 45 W) |

Figure 8: Physical dimensions of the Xiaomi MI 50W Power Bank.
Información da garantía
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 websitio web para obter termos e condicións de garantía detallados específicos da súa rexión. Garde o recibo de compra como proba de compra para reclamacións de garantía.
Atención ao cliente
For technical support, troubleshooting assistance, or warranty inquiries, please contact Xiaomi customer service through their official 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
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