Image source: Fitbit

Why is my Fitbit device not holding charge? How to extend battery life.

Fitbit devices are known for their excellent battery life. But what should you do if your wearable is not holding charge? This article is part of our series on how to fix common issues.

Essential readingTop fitness trackers and health gadgets

First off you should make sure you’re charging your device properly. Have a read through our article that explains what to do if your Fitbit activity tracker or smartwatch is not charging. It’s also not a good idea to charge your device in extreme heat or cold. If your battery is draining too quickly after a charge, this is a separate issue.

The length of time your Fitbit wearable operates depends on how frequently you use it and various settings. But there are things you can do to extend battery life.

Ace series, Alta and Inspire

The Ace series, Alta and Inspire have an advertised battery life of around 5 days. If you’re struggling to achieve this figure try one of the following:

Turn off the option to wake the screen when you turn your wrist. On Ace, Alta and most older devices this is done by turning off the Quick View option in the Fitbit smartphone app. On more recent wearables, this can be done from the device itself. For example on Ace 2 and Inspire, press and hold the side button, then choose the Screen Wake setting and switch it off.

Turn off the option to receive notifications from your smartphone. If you receive a large amount of notifications, this can drain the battery.

Receive fewer reminders to move by tweaking the settings. You can also switch off these reminders, along with alarms which also reduce battery life.

Alta HR, Inspire HR, Blaze

An Alta HR or Blaze can keep going 5 days between charges while Inspire HR’s advertised battery life is 7 days. All of these have a heart rate sensor, so in addition to the solutions above you can turn off the Heart Rate setting if you don’t need heart-rate tracking day and night.

It’s worth mentioning. At the time of writing some users have reported their Inspire and Inspire HR devices are plagued by battery life issues. Have a look at our article offering a few additional solutions. The culprit of the problem seem to be certain clock faces.

Charge series

The suggestions for the Charge series are no different from the list above. The only addition is that you can use guided breathing sessions less frequently as multiple sessions per day may reduce battery life. Fitbit Charge 3 should last up to 7 days between charges, and Fitbit Charge 2 around 5 days.

Flex 2

You can use a Flex 2 for up to 5 days without reaching for a charger. Tweaking the notifications, alarms and reminders options are ways to extend battery life. One other thing you can do is make sure the swim detection feature is off when you’re not in the pool.

Ionic and Versa series

An Ionic battery lasts about 5 days and Versa’s around 4 days. The solution is as above. Switch off the wake the screen option, change the heart rate setting, turn off notifications, receive fewer reminders to move and reduce the number of alarms you use.

It’s worth noting, you will need to charge your device more often if you play music or use the music controls frequently, if you use apps that keep the watch’s screen on access the internet a lot, or if you use an interactive or animated clock face. The use of the built-in GPS on Ionic is a particular drain on the battery.


Fitbit One lasts two weeks between charges. A few years old, this is a simple device that only provides the basics when it comes to tracking fitness. Fitbit’s only suggestion for extending battery life is to switch off or reduce the number of alarms.


Not much you can do here apart from checking your stats less frequently. The Zip operates on a 3V coin battery (CR2025), that should last six months.

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