The battery endurance of the Xiaomi Smart Band 9 in various usage modes is as follows:
1. 18 days under typical usage mode:
Test conditions for Xiaomi Smart Band 9 in typical usage mode:
Battery fully charged with default factory settings and default band display; high-precision sleep monitoring, in-sleep breathing quality monitoring, stress monitoring throughout the day turned off; 30-minute heart rate monitoring/heart rate monitoring throughout the day turned on; message reminders (100 messages, 10 call reminders, 3 alarms per day) turned on; Raise to wake: 200 times per day;
APP data synchronized once per day; oxygen saturation manually measured twice per day; movement recording turned on for 60 minutes per week;
2. 8 days under AOD mode:
Test conditions for Xiaomi Smart Band 9 in AOD mode:
Battery fully charged with default factory settings and default band display; high-precision sleep monitoring, in-sleep breathing quality monitoring, stress monitoring throughout the day turned off; 30-minute heart rate monitoring/heart rate monitoring throughout the day turned on; message reminders (100 messages, 10 call reminders, 3 alarms per day) turned on; APP data synchronized once per day; oxygen saturation manually measured twice per day; movement recording turned on for 60 minutes per week.
Note:
In actual use, the battery endurance depends on various factors such as settings, operations, and usage environment, and may differ from laboratory data.