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Can I improve my tracker's battery life?

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The length of time your tracker can operate on a full charge depends on how frequently you use it and various settings. This article provides battery life estimates and tips for turning off features you don't need when you want to prioritize battery life. To make sure you're charging your tracker correctly, see How do I charge my tracker?

Your Fitbit Alta™ battery can last up to 5 days between charges. Because battery life is affected by use and other settings, actual results may vary. These tips might help when you want to prioritize battery life:

  • Each alarm you add up to the maximum of 8 reduces battery life by a small percentage.
  • Since Quick View causes the screen to light up when you turn your wrist towards you, turning this setting off may prolong battery life. When Quick View is off, double tap the screen to wake it up.
  • If you have Reminders to Move turned on, receiving a reminder every hour may reduce battery life. You can reduce reminders by walking 250 steps each hour, changing the number of hours in a day you receive a reminder, or turning off the feature when not in use.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life on both the tracker and mobile device.
  • Charging your tracker in extreme heat or cold may reduce battery life.

Your Fitbit Blaze™ battery can last up to 5 days. Because battery life is affected by use and other settings, actual results may vary. These tips might help when you want to prioritize battery life:

  • Make sure you're charging Blaze fully each time. When you think Blaze is done charging, take it out of the charger and then put it back in briefly. If you should see a large, blue battery icon you'll know the tracker is fully charged.
  • Each alarm you add up to the maximum of 8 reduces battery life by a small percentage.
  • Since Quick View causes the screen to light up whenever you turn your wrist towards you, turning this setting off may prolong battery life. When Quick View is off, press any button to see the screen.
  • Frequently using music control may reduce battery life.
  • Using FitStar workouts reduces battery life.
  • If you have call, text, or calendar notifications enabled, receiving a large volume of notifications (many hundreds) reduces battery life.
  • Using the maximum Brightness setting may reduce battery life.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life on both the tracker and mobile device.
  • Charging your tracker in extreme heat or cold may reduce battery life.
  • If you don't need a heart rate reading, change the Heart Rate setting to Off. The Auto setting uses less battery than the On setting. Note that if you turn off Heart Rate, you'll need to restart your tracker after you turn heart rate back on.

You can also shut down your Blaze when it's not in use.

Your Fitbit Charge™ battery can last 7 to 10 days. Because battery life is affected by use and other settings, actual results may vary. These tips might help when you want to prioritize battery life:

  • Each alarm you add up to the maximum of 8 reduces battery life by a small percentage.
  • Since Quick View causes the screen to light up whenever you turn your wrist towards you, turning this setting off may prolong battery life. When Quick View is off, press the button to see your stats.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life on both the tracker and mobile device.
  • Charging your tracker in extreme heat or cold may reduce battery life.

Your Fitbit Charge HR™ battery can last up to 5 days. Because battery life is affected by use and other settings, actual results may vary. These tips might help when you want to prioritize battery life:

  • Each alarm you add up to the maximum of 8 reduces battery life by a small percentage.
  • Frequently pressing the button to check your statistics or the time may reduce the battery life.
  • Since Quick View causes the screen to light up whenever you turn your wrist towards you, turning this setting off may prolong battery life. When Quick View is off, press the button to see your stats.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life on both the tracker and mobile device.
  • Charging your tracker in extreme heat or cold may reduce battery life.
  • If you don't need a heart rate rating, change the Heart Rate setting to Off. The Auto setting uses less battery than the On setting.

Your Fitbit Flex™ battery can last up to 5 days. Because battery life is affected by use and other settings, actual results may vary. These tips might help when you want to prioritize battery life:

  • Each alarm reduces battery life by small percentage. To maximize battery life, consider setting fewer alarms.
  • Frequently tapping your tracker to check your goal progress may reduce the battery life.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life.
  • Charging your tracker in extreme heat or cold may reduce battery life.

Your Fitbit One™ battery can last up to two weeks. Because battery life is affected by use and other settings, actual results may vary. These tips might help when you want to prioritize battery life:

  • Each alarm reduces battery life by small percentage. To maximize battery life, consider setting fewer alarms.
  • Frequently pressing the button to check your statistics or the time may reduce the battery life.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life.
  • Charging your tracker in extreme heat or cold may reduce battery life.

If you aren’t tracking runs or exercises that use GPS, your fully charged Fitbit Surge™ should last up 7 days. A fully charged Surge can track up to 10 hours of activities that use GPS. Because battery life is affected by use and other settings, actual results may vary.

These tips might help when you want to prioritize battery life:

  • Each alarm reduces battery life by small percentage. To maximize battery life, consider setting fewer alarms.
  • Since Quick View causes the screen to light up whenever you turn your wrist towards you, turning this setting off may prolong battery life. When Quick View is off, press any button to see the screen.
  • Frequently using music control may reduce battery life.
  • If you’re syncing with an Android device, the Always Connected option may reduce battery life.
  • If you're syncing with any Fitbit app, the All-Day sync option may reduce battery life on both the tracker and mobile device.
  • Charging your tracker in extreme heat or cold may reduce battery life.
  • If you don't need a heart rate rating, change the Heart Rate setting to Off. The Auto setting uses less battery than the On setting.

You can shut down your Surge when it's not in use.

  • Your Fitbit Zip™ battery should last up to 6 months before needing a replacement.
  • If your tracker is showing a low battery icon within the first month of use, the issue may be resolved by updating your tracker.
  • Frequently tapping your tracker to check your statistics may 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 your tracker display and dashboard. A flashing battery icon indicates that your tracker is very close to being completely out of battery life. Data could be lost if your tracker is not synced before replacing the battery.
  • When your tracker'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 your tracker. Your old battery can be recycled.
    Fitbit Zip Battery Tool
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Last updated: July 22, 2016
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