Battery Level Display

The battery icon on your watch screen displays the remaining level of power in the battery.

Workout time remaining (approximate)

Battery icon ProSense 17 ProSense 57
8 to 13 hours 6 to 10 hours
5 to 8 hours 4 to 6 hours
2.5 to 5 hours 2 to 4 hours
0 to 2.5 hours 0 to 2 hours
When the battery is low, you see this screen:


(Press any button to return to the Time screen.)

When the battery is too low, the screen may go blank.

Caution:
Charge your watch at least once every 6 months when you are not using the watch; long-term storage of the watch with a low battery may degrade battery performance.
Note: Operation time also varies depending on the operating environment's effects on GPS reception and watch settings, such as backlighting.

Operating Time

When you are not using the watch for a workout, the remaining operating time for your watch varies, depending on the features enabled on your watch.

Display time remaining; ProSense 17
Setting 30 days 7 days
Daily Activity Tracking Off On
Auto Sleep On On
Seconds display Off Off
Auto Search Off Off
Bluetooth Off On
Display time remaining; ProSense 57
Setting 30 days 4 days 2 days
Daily Activity Tracking Off On On
Heart rate measuring Off (Normal) Off (Advanced)
Auto Sleep On On On
Seconds display Off Off
Auto Search Off Off Off
Bluetooth Off On On
Related concepts
Battery Life
Related references
Solutions to Watch Charging Problems