Battery Life Information
The actual battery life depends on the features enabled on your watch, such as activity tracking, wrist-based heart rate, phone notifications, GPS, and connected sensors.
|
Mode |
Forerunner® 255S series Battery Life |
Forerunner 255 series Battery Life |
|---|---|---|
|
Activity mode with GPS Only mode and wrist-based heart rate |
Up to 26 hr. |
Up to 30 hr. |
|
Activity mode with All Systems mode and wrist-based heart rate |
Up to 20 hr. |
Up to 25 hr. |
|
Activity mode with All Systems mode, wrist-based heart rate, and music playback |
Up to 5.5 hr. |
Up to 6.5 hr. |
|
Activity mode with All + Multi-Band mode and wrist-based heart rate |
Up to 13 hr. |
Up to 16 hr. |
|
Smartwatch mode with activity tracking, phone notifications, and wrist-based heart rate |
Up to 12 days |
Up to 14 days |