We recommend plugging your charging cable into a USB port on your computer or other low-energy device. If necessary, you can use a UL-certified USB wall charger. Don't use a USB hub or battery pack to charge, and only use the charging cable that came with your device.
Fitbit Ace, Fitbit Alta, and Fitbit Alta HR come equipped with a rechargeable lithium-polymer battery. Charging fully may take one to two hours.
Charge your tracker
Plug the charging cable into the USB port on your computer or a UL-certified USB wall charger.
Clip the other end of the charging cable to the port on the back of the tracker. The pins on the charging cable must lock securely with the port. The connection is secure when the tracker vibrates and a battery icon appears on the screen. The battery icon disappears after three seconds.
While your tracker charges, tap it to check the battery level. A fully charged tracker shows a solid battery icon.
To see these steps in action, watch the following video (English only).
Monitor battery level
Check your battery level on your Fitbit dashboard.
When one day or less of battery life remains, you'll see a battery icon on the first screen while flipping through your stats.
When a critically-low warning appears, charge your device as soon as possible.
Fitbit Fitbit Ace 2, Fitbit Inspire, and Fitbit Inspire HR come equipped with a rechargeable lithium-polymer battery. Charging fully takes up to 2 hours.
Charge your tracker
Plug the charging cable into the USB port on your computer or a UL-certified USB wall charger.
Hold the other end of the charging cable near the port on the back of the tracker until it attaches magnetically. Make sure the pins on the charging cable align with the port on the back of your tracker.
While the tracker charges, press the button to check the battery level. A fully-charged tracker shows a solid battery icon with a smile.
Fitbit Blaze comes equipped with a rechargeable lithium-polymer battery. Charging fully may take 1 to 2 hours.
Charge your tracker
Plug the charging cable into the USB port on your computer.
Remove the device from the wristband by gently pushing the screen until it detaches from the frame.
Put the device inside the charging cradle with the screen facing you and the four gold prongs aligned.
Close the cradle cover. A battery icon temporarily appears on the screen to indicate your device is charging.
While your device is charging, a small battery icon in the top left corner shows its progress. A large green battery icon means the battery is full.
To see these steps in action, watch the following video (English only).
Monitor battery level
The battery icon in the top left corner of the screen represents the remaining battery life as of the last sync. You can also find this icon on the Fitbit dashboard.
Fitbit Charge 2 and Fitbit Charge 3 come equipped with a rechargeable lithium-polymer battery. Charging fully may take 1 to 2 hours. Note that Charge 2 chargers don’t work with Charge 3 devices.
Charge your tracker
Plug the charging cable into the USB port on your computer or a UL-certified USB wall charger.
Clip the other end of the charging cable to the port on the back of the tracker. The pins on the charging cable must lock securely with the port.
Make sure the button on your tracker is aligned with the button opening on the charging cable. The connection is secure when the tracker vibrates and a battery icon appears on the screen.
While the tracker charges, tap it to check the battery level. A fully charged tracker shows a solid battery icon.
Fitbit Charge HR comes equipped with a rechargeable lithium-polymer battery. Charging fully may take 1 to 2 hours.
Charge your tracker
Plug the charging cable into the USB port on your computer or a UL-certified USB wall charger.
Plug the other end of the charging cable into the port on the back of Charge HR. A battery icon on the display shows the charging progress.
Fitbit Flex 2 comes equipped with a rechargeable battery. Charging fully may take 2 to 3 hours.
Charge your tracker
Plug the charging cable into the USB port on your computer or a UL-certified USB wall charger.
Press the pebble into the compartment on the charging cable The pins on the charging cable must lock securely with the corresponding pins on the back of the pebble. The connection is secure when the pebble vibrates and the indicator lights blink.
While Flex 2 charges, each white light represents 25% of the maximum charge. When fully charged, you’ll see a green light and then all five lights will shine for a few seconds before turning off.
To see these steps in action, watch the following video (English only).
Monitor battery level
Check your battery level on your Fitbit dashboard.
If your battery is low, you'll see a flashing red light after you check your goal progress.
When your battery is critically low, you won't see your goal progress—only the flashing red light. Charge your tracker as soon as possible.
Fitbit Ionic comes equipped with a rechargeable lithium-polymer battery. Charging fully takes up to 2 hours.
Charge your watch
Plug the charging cable into the USB port on your computer or a UL-certified USB wall charger.
Hold the other end of the charging cable near the port on the back of the watch until attaches magnetically.
Make sure the pins on the charging cable lock securely with the port. The connection is secure when the watch vibrates and the battery icon or percentage appears on the screen.
While the watch charges, tap the screen or press any button to check the battery level.
Fitbit Flyer comes equipped with a rechargeable lithium-ion battery. Charging fully may take up to 2 hours. Flyer cannot be used while charging.
Charge your headphones
Plug the micro-USB 2.0 charging cable into Flyer's charging port, located underneath the cover.
Plug the other end of the charging cable into the USB port on your computer or a UL-certified USB wall charger.
When Flyer is charging, the LED changes color depending on the current charge level. Use the following table to determine the current battery level when Flyer is plugged into the charger:
LED color
Battery status
White light
Fully charged
Yellow light
Medium
Red light
Low
Monitor battery level
When turning Flyer on or off, check the battery-level indicator light to view the current battery level.
When turning Flyer on or off, listen for the audio notification telling you the current battery level.
While Flyer is on, briefly press the Power button to see the battery indicator LED and hear an audio notification.
Check Flyer's battery level on any device it's connected to, if your device supports this feature.
When Flyer's battery level falls to Low or Very Low, the LED changes to red and an audio notification plays.
Use the following table to determine the current battery level when Flyer is unplugged:
LED color
Battery status
White light
Medium to fully charged
Red light
Low
Flashing red light
Very low
Fitbit Versa comes equipped with a rechargeable lithium-polymer battery. Charging fully takes up to 2 hours.
Charge your watch
Plug the charging cradle into the USB port on your computer or a UL-certified USB wall charger
Pinch the clip and place Versa in the charging cradle. The pins on the charging cradle must align with the gold contacts on the back of the watch. The percent charged appears on screen.
While the watch charges, tap the screen to check the battery level. Tap the screen twice to use Versa while it charges.
