How do I determine how much power is left on the battery?
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.
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.
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
Solutions to Watch Charging Problems