Sense 2 battery keeps draining

[NicoleG67]

Hi. My watch battery keeps draining within 2-3 days even after a 100% charge. I use the watch as just that - a watch and I track my steps and sleep. I don't have any other notifications or apps set up. This has started over the past 2 weeks. My watch is just 18 months old and from having to charge every 6-7 days, I am now having to do this almost every 3rd day. Need help please.

[MarioSFitbit]

Hi @NicoleG67 and welcome back to the forums. 

Thank you for your message. I'm sorry to hear that your Sense 2 battery keeps draining. Please note that after several hundred charge cycles, your device may need to be charged more often.

This is explained in the following help article: Estimated battery life for your Fitbit device. 

There are some useful tips in order to extend your Fitbit device's battery life: Tips to extend your Fitbit device's battery life.

[AZ-TX]

Good day!

I am sorry the Sense 2 is draining so quicky. Is the Always On Display activated? When I used AOD the watch would need to be charged every three days. With AOD off I get six to eight days. Have you tried a factory reset or firmware update? Also, with it being 18 months old, is there any warranty still on it?

I hope this provides some help.

[NicoleG67]

Hello. I have AOD off.  This is a new phenomenon. My watch is fully updated and I think there maybe a bug in this update as I have seen a number of complaints to this effect with no firm solution by the Fitbit guys. Guess I have to just wait and watch and keep charging as it does out. Thank you for reaching out.

[LetsGoBraves · Accepted solution]

You device is most likely soon to be a paperweight. My device updated last July and the battery life plummeted. It updated again in December 2025 (3 months after the update release) and it’s officially dead. Will only turn on while connected to the charger. They (Fitbit/Google) does not offer battery replacement and they do not recommend having it done. Customer support told me my device was dead even though there was an update available. When I questioned them I was told that the update wasn’t available even though their very own website showed an update was available. Long story short the newest update didn’t fix anything. So I tell everybody to research their next device and make sure the battery is replaceable before purchase. 

[NicoleG67]

Thank You....i guess it is indeed a dead paperweight and I need to start looking at options.  Customer Support asked me to clean all the charging points, change the ways I charge my watch etc and try again, but nothing has worked.   This was a very expensive investment that has gone dead in 18 months. 

[Glamma56]

The same thing is happening with mine. My fitbit is only 13 months old and draining every day! I charged it yesterday at 11:06 and this morning at 8:54am it's drained down to 56% which is ridiculous. I've done all the updates and suggestions but to no avail, if anything it's worse! Need help again.