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Home Support Wearables ProSense Epson ProSense 307

How do I determine how much power is left on the battery?

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

    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 device at least once every 6 months when you are not using the device; long-term storage of the device with a low battery may degrade battery performance.

    The operating time for the battery varies depending on the device settings you are using, as described in the tables here.

    Note: The Light setting is Off in all of the estimates shown.

    Continuous workout time left (approximate)

    Battery icon Operating time Settings used
    ProSense 307:

    8 to 16 hours

    ProSense 347/367:

    18 to 36 hours

    Update Frequency: Per Second

    Meas. HR setting: On

    ProSense 307:

    10 to 20 hours

    ProSense 347/367:

    21 to 42 hours

    Update Frequency: Per Second or Wrist turn

    Meas. HR setting: On or Off

    ProSense 307:

    12 to 24 hours

    ProSense 347/367:

    25 to 50 hours

    Update Frequency: Wrist turn

    Meas. HR setting: Off

    ProSense 307:

    3 to 8 hours

    ProSense 347/367:

    7 to 18 hours

    Update Frequency: Per Second

    Meas. HR setting: On

    ProSense 307:

    4 to 10 hours

    ProSense 347/367:

    8 to 21 hours

    Update Frequency: Per Second or Wrist turn

    Meas. HR setting: On or Off

    ProSense 307:

    5 to 12 hours

    ProSense 347/367:

    10 to 25 hours

    Update Frequency: Wrist turn

    Meas. HR setting: Off

    ProSense 307:

    1.5 to 3 hours

    ProSense 347/367:

    3.5 to 7 hours

    Update Frequency: Per Second

    Meas. HR setting: On

    ProSense 307:

    2 to 4 hours

    ProSense 347/367:

    4 to 8 hours

    Update Frequency: Per Second or Wrist turn

    Meas. HR setting: On or Off

    ProSense 307:

    2.5 to 5 hours

    ProSense 347/367:

    5 to 10 hours

    Update Frequency: Wrist turn

    Meas. HR setting: Off

    ProSense 307:

    0 to 1.5 hours

    ProSense 347/367:

    0 to 3.5 hours

    Update Frequency: Per Second

    Meas. HR setting: On

    ProSense 307:

    0 to 2 hours

    ProSense 347/367:

    0 to 4 hours

    Update Frequency: Per Second or Wrist turn

    Meas. HR setting: On or Off

    ProSense 307:

    0 to 2.5 hours

    ProSense 347/367:

    0 to 5 hours

    Update Frequency: Wrist turn

    Meas. HR setting: Off

    Continuous time display left; approximate

    Setting 30 days 7 days 5 days
    Daily Activity Tracking Off On (Meas. HR setting: Auto) On (Meas. HR setting: Continuous)
    Auto Sleep Mode On On On
    Auto Search Off Off Off
    Bluetooth Off On On

    Note: Operation time also varies depending on the operating environment's effects on GPS reception.

    Related concepts
    Battery Life
    Related references
    Solutions to Watch Charging Problems
Published:  Dec 1, 2017 Was this helpful​? Thank you for the feedback!
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