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Apple Watch Battery Drain Issues after Update

Since updating to WatchOS 10.0.1, the watch battery charges only to 80% overnight and the battery drains more quickly than before the update. I also updated my iPhone 14 pro to iOS 17 around the same time. Would this impact the watch battery?


[Re-Titled by Moderator]

Posted on Sep 25, 2023 8:16 AM

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Posted on Oct 4, 2023 12:31 PM

Here’s my situation today:

  • wake up at 6 am: watch is at 100%
  • get in car at 7:20 am: watch is at 91%
  • sit motionless for four hours
  • at 11:30, walk around for approximately two hours (no workout being tracked)
  • sit motionless for another two hours
  • by 3:30 pm, watch is at 56%, having only been looked at 6-7 times. There were no functions engaged, only one alert shown, no workouts tracked, and WiFi is turned off.
  • since I have to leave the office at 4 and drive for about 3 hours, I fully expect that by 7:30 pm tonight my watch will be dead, having not done anything at all today.


I have updated my phone OS also.


Before this update, my watch lasted until 12 am-1 am, which included a minimum 2 hours of workout tracking and many activations.


this is an utter joke. Nobody can use a watch that can’t last 10 hours even when it’s not tracking anything.

800 replies

Oct 27, 2023 4:18 PM in response to tony.d.

You are entitled to your opinion and I fully respect that but if you buy a app at the App Store you should trust that Apple aproves it.


I create videos for non profit organizations and also for individuals that can afford to pay a professional to make video of their weddings, graduation, vacation or wedding anniversary. I do it for free I just request a small donation to 3 of the foundations and charity organization that I support. So I have many software that is not sold on the Apple Store because just iMovie and Final Cut Pro is not enough and I can’t afford Adobe. When I download these apps I know the risk and I also know how to fully uninstall them (not just take to the trash, that lives tones of things behind). I am aware of the risk and I am pretty go in dealing with it. But when you buy from the Apple Store? These apps are approved by apple and I am sure they make a commission on it therefore they are responsible.

Oct 28, 2023 4:51 AM in response to nelsonfromsarasota

Same experiences as everyone here. After unpairing and repairing several times, shutting off optimized battery charging, shutting off location services, shutting off Bluetooth, hard resetting the watch - nothing and I mean nothing helped. Seems uninstalling the Moby Face App may be my fix. I just took it off the charger 20 minutes ago at 100% and it’s still at 100%. Prior to removing the app it would have already been at 80% in 20 minutes.

Oct 28, 2023 5:06 AM in response to Teeknepp

Last night after a 2 hour call with Apple Support in which the tech did everything he could think of, I decided to

remove the Moby Face App from my phone took off my Ultra v1 put it on the charger. This morning it was at 100% and I have the most location driven face turned on with elevation, temperature everything that could possibly use the battery just like yesterday. So far the battery has not moved since 6am EDT. Last night I watched the power drain 4% in 4 minutes while on with Support. I’ll report later if my issue has been resolved.

Oct 28, 2023 6:28 AM in response to nelsonfromsarasota

Past two days, after update, same issue.

I do, however, get to 100% charge - not sure about the 80% charge mentioned by folks below.

Used to get 24+ hours, easily, on my V7 Watch. Now I can almost watch the battery drain.

Charged before bed last night - woke up 4a, not working/drained, put on charger. Fully charged at 8a 100%, currently 9:30 and already down to 73%.

Oct 28, 2023 6:52 AM in response to nelsonfromsarasota

After going through all the suggestions everyone has tried, the only thing I found that worked was to roll back the update to watch os 9 and start over. Running thing is that when I did that the watch went back to 10.1 but a different build. If you have the option to roll it back do it. If not, you may be still waiting for the patch( or update) to fix yours. DEFINITELY A SOFTWARE ISSUE!!!!


There is nothing hardware related to the watches. Hopefully this helps.


FYI, I started day with 100% at 7:15 est and now my watch is at 100% at 9:46 est.


Good luck.

Oct 28, 2023 8:55 AM in response to nelsonfromsarasota

Updating to WatchOS 10.0.1 was a nightmare. Took forever to update and when I put the watch on it stated I only had 4% battery left. Back on the Apple charger and it took forever to recharge to full. When I put the watch back on the battery lasted for a very short time and again stated I only had 4% battery left. Back on the charger where it now lives until there is a patch or I can get to an Apple Store. Very disappointing from Apple, going forward I will not be updating until I'm assured there are no other issues like this going forward.

Oct 28, 2023 9:58 AM in response to PKW2411

How exactly did they “made” you buy a new watch? My husband, seen my frustration told me to a buy a new watch too. I said “no” because it is a software not a hardware issue. For me taking off 3rd party software Moby Face helped a lot. My watch still warmer than normal on my wrist, the battery draining is about 80% normal but I can’t instal the oxygen measure or EKG on the face of the watch. It is important to me due to health issues.


i suggest uninstalling all face apps if you have any. If you don’t, try to uninstall all their part app for now until they update.


I hope that helps.

Apple Watch Battery Drain Issues after Update

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