How to Charge Fitbit Flex 2Each indicator light represents progress towards the total charge. All 5 indicator lights will blink, when the Flex has charged completely.
Fitbit Flex 2 Tutorial Charging
Fitbit Flex 2 user guide battey charging:
To charge your Flex, plug the charging cable into the USB port on your computer.
Remove the tracker from the wristband, and insert it into the charging cable, with the
Fitbit Flex 2 LED indicator lights facing up.
The LED indicator lights will progressively illuminate on your Flex as it charges. Each light represents 20% of the maximum charge. Once all five lights pulse in unison, your Flex will be fully charged. Charging completely can take up to three hours.
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 tracker.
Fitbit Flex 2 comes equipped with a rechargeable battery. Charging fully takes about two to three hours.
Fitbit Flex 2 Charging Instructions:
Manual to charge Flex 2:
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 align with the corresponding pins on the back of the pebble and lock securely in place. You’ll know the connection is secure when the pebble vibrates and you see the indicator lights blinking.
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.
Monitoring Fitbit battery level
For help deciding when to charge your tracker:
Check your battery level at any time on your Fitbit dashboard.
If your battery is low, when you check your goal progress, 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.
To receive a push notification or email when your battery is low, update your Notification setting
If your battery is draining too quickly after a charge, see Can I improve my tracker's battery life? For tips on how to monitor battery life and ensure your tracker is charging, see How do I charge my tracker?
If your Fitbit problem battery stopped charging, test the solutions below.
The contacts on the tracker or charging cable are dirty.
Dust and debris can accumulate over time and prevent a charge. Clean the charging contacts using the instructions
The tracker isn’t connected securely to the charging cable.
The USB port or outlet is faulty.
If you haven't done so, try a different port. A UL-certified wall charger will also work. Don't use a USB hub.
The tracker is malfunctioning.
When in doubt, it doesn't hurt to turn your tracker off and back on. For instructions see How do I restart my tracker?
The tracker is wet.Thoroughly dry your tracker before charging it.
How do I clean my Fitbit tracker?
To clean your wristband, follow the instructions on our Wear and Care page.
We also recommend that you occasionally:
Clean the charging contacts on the back of your tracker to ensure they stay bronze or gold in color. To do so:
Use a toothpick or a toothbrush with rubbing alcohol.
Make sure not to scrape the contacts with a wire brush or anything metal, since this can damage the plating and cause corrosion.
If you use a toothbrush, dry with a cloth or tissue before charging.
Clean the pins on your charging cable. To do so:
Soak a cotton swab with alcohol and press the swab to the pins carefully.
Make sure that no debris from the swab is left behind.
Clean the removable pebble if you have a Flex series tracker. To do so:
Take the pebble out the wristband and clean it with a cotton swab and rubbing alcohol.
Dry it with a cloth or paper towel before putting it back in the wristband.
If you've tried all four solutions but your tracker won't charge, contact Customer Support.