The Xiaomi Home Assistant is a cutting-edge smart home system designed to integrate seamlessly with various Xiaomi devices, including the Xiaomi Smart Doorbell 3. However, some users have reported an issue where the battery level of their devices cannot be updated automatically, requiring manual intervention such as restarting HAOS or disabling and re-enabling the battery entity. This article aims to explore the root cause of this issue and provide potential solutions to ensure that the battery levels of Xiaomi devices are updated in real-time. The problem has been observed on the Xiaomi Smart Doorbell 3, where the battery level fails to update unless the user restarts HAOS or disables and re-enables the battery entity. To reproduce this issue, users can follow these steps: 1. Ensure that the Xiaomi Smart Doorbell 3 is properly connected to the Xiaomi Home Assistant. 2. Check the battery level of the device through the Home Assistant interface. 3. Verify that the battery level is not updating automatically. The expected behavior is that the battery level should update in real-time, reflecting the current status of the device. The issue has been reported to occur on December 27, 2024, with the Home Assistant logs and additional context not provided. The Home Assistant Core version is 2024.12.5, and the Home Assistant Operation System version is 14.1. The Xiaomi Home Integration version is v0.1.4b1. To resolve this issue, users can try restarting HAOS or disabling and re-enabling the battery entity. Additionally, ensuring that the device is properly connected to the Xiaomi Home Assistant and checking for any firmware updates may also help resolve the issue. Furthermore, users can explore other features of the Xiaomi Home Assistant, such as voice control, automated scenes, and energy monitoring, to enhance their smart home experience. In conclusion, the Xiaomi Home Assistant is a powerful tool for managing and controlling smart devices, and resolving issues such as the battery level update problem can help users get the most out of their smart home system. By following the troubleshooting steps and exploring the various features of the Xiaomi Home Assistant, users can enjoy a seamless and automated smart home experience.