What is the battery endurance of the Xiaomi Smart Band 9?

Question

Accepted Answer

The battery endurance of the Xiaomi Smart Band 9 varies depending on the mode used. Under typical usage mode, it lasts for up to 18 days. This is tested with the battery fully charged under default factory settings and default band display. Features such as high-precision sleep monitoring, in-sleep breathing quality monitoring, and stress monitoring throughout the day are turned off. It includes 30-minute heart rate monitoring or heart rate monitoring throughout the day, message reminders, raise to wake feature and daily synchronization of APP data. Oxygen saturation is manually measured twice a day, and movement recording is on for 60 minutes per week. In AOD (Always-On Display) mode, the battery lasts up to 8 days under similar conditions, with the display constantly active.