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How do I maximize my tracker's battery life?

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Your tracker's battery life will be determined by your settings and interaction with it. If you're having difficulty with your tracker's battery, see My tracker's battery isn't charging. To sign up for low-battery notifications, see How do I update my Fitbit settings?

  • If you aren’t tracking runs or exercises that use GPS, your fully charged Surge should last about 7 days as a fitness watch with continuous heart rate monitoring and activity tracking before needing a charge. Your fully charged Surge can track up to 5 hours of activities that use GPS.
  • To maximize battery life:
    • Choose runs or exercises that do not use GPS.
    • Delete or disable one or more alarms. Each active alarm reduces battery life by a small percentage.
    • In Settings on your Surge, do not set Heart Rate Tracking or Backlight to On. Choose Auto or, for best battery life, choose Off.
    • Disable notifications by setting Notifications to Off.
    • Disable music control by setting Bluetooth (Classic) to Off.
    • Shut down your Surge when you aren't using it. Press any button to turn your Surge back on.
  • For information on charging, see How do I charge my Surge?
  • Your Charge HR's battery should last about 5 days.
  • Increasing the number of alarms you have set on your Charge HR will decrease your battery life. Each alarm reduces battery life by small percentage.
  • Frequently pressing the Charge HR's button to check your statistics will reduce the battery life.
  • Frequently receiving call notifications will reduce the battery life.
  • Keeping the Heart Rate Tracking setting on On will reduce battery life. Change the setting to Auto or, for maximum battery life when you don't need a heart rate reading, change the setting to Off.
  • For information on charging, see How do I charge my Charge HR?
  • Your Charge's battery should last about 7 to 10 days.
  • Increasing the number of alarms you have set on your Charge will decrease your battery life. Each alarm reduces battery life by small percentage.
  • Frequently receiving call notifications will reduce the battery life.
  • Frequently pressing the Charge's button to check your statistics will reduce the battery life.
  • For information on charging, see How do I charge my Fitbit Charge?
  • Your Force's battery should last about 7 to 10 days.
  • Increasing the number of alarms you have set on your Force will decrease your battery life. Each alarm reduces battery life by small percentage.
  • Frequently receiving call notifications will reduce the battery life.
  • Frequently pressing the Force's button to check your statistics will reduce the battery life.
  • For information on charging, see How do I charge my Force?
  • Your Flex's battery should last about 5 days.
  • Increasing the number of alarms you have set on your Flex will decrease your battery life. Each alarm reduces battery life by small percentage.
  • Frequently tapping your Flex to check your goal progress will reduce the battery life.
  • When charging your Flex, be sure to fully seat your tracker into the charger, with the charging contacts fully inserted into the charging cable enclosure. For information on charging, see How do I charge my Flex?
  • Your One's battery should last about two weeks.
  • Increasing the number of alarms you have set on your One will decrease your battery life. Each alarm reduces battery life by small percentage.
  • Frequently pressing the One's button to check your statistics will reduce the battery life.
  • For information on charging, see How do I charge my One?
  • To get the most out of your battery, make sure your Zip is updated to the latest version. You can check for an update by following the instructions in How do I update my tracker using a computer?
  • Your Zip's battery should last 6 months before needing a replacement.
  • If your Zip is showing a low battery icon within the first month of use, the issue may be resolved by updating your Zip via the instructions above.
  • Frequently tapping the Zip to check your statistics will reduce the battery life.
  • The Zip has a harmless, polysilicone grease on the battery door that lubricates the rubber gasket to ensure a water-tight seal.
  • The Fitbit Zip runs on a replaceable 3V coin battery, CR2025 (pictured below). It can be found wherever batteries are sold.
    CR2025 Battery
  • When the battery drops below 25%, a low battery indicator will show on the display of your Zip, as well as on your Fitbit.com Dashboard. A flashing battery icon indicates that your Zip is very close to being completely out of battery life, and that it should be replaced very soon. Data could be lost if your Zip is not synced before replacing the battery.
  • When your Zip's battery needs to be replaced, use the battery door tool (pictured below) to open and close the battery door compartment, which is located on the back of the Zip. Your old battery can be recycled.
    Fitbit Zip Battery Tool
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Last updated: January 14, 2015
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