14-day for typical usage.
7-day for heavy usage.
*The typical usage scenario: 30 minutes of Bluetooth calling every week, 30 minutes of music playing every week, heart rate monitoring enabled, HUAWEI TruSleep™ enabled for sleeping, 90 minutes of working out every week (GPS enabled), message notifications enabled (50 SMS messages, 6 calls, and 3 alarms a day), screen is turned on for 200 times a day.
*The heavy usage scenario: 30 minutes of Bluetooth calling every week, 30 minutes of music playing every week, heart rate monitoring enabled, HUAWEI TruSleep™ enabled for sleeping, stress monitoring enabled,180 minutes of working out every week (GPS enabled), message notifications enabled (50 SMS messages, 6 calls, and 3 alarms a day), screen is turned on 30 minutes a day.