Apple Watch battery draining fast after watchOS 11 Update

Finding very heavy battery drain with this update. From 9am to 10am lost 10% battery. Usually at 7pm I would have 65-70% battery left. Sitting at 50% right now.



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Apple Watch Series 7, watchOS 11

Posted on Sep 18, 2024 3:58 PM

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Question marked as Top-ranking reply

Posted on Sep 18, 2024 6:31 PM

After an OS update, it's common to experience an increased battery drain as certain tasks related to the update continue in the background including indexing, you should only experience this increased battery drain for a few days before it goes back to normal.


If after a couple days, your battery is not back to normal, I would recommend unpair and repairing your Apple Watch with your iPhone ⇢ Unpair and erase your Apple Watch - Apple Support


155 replies

Oct 3, 2024 8:37 AM in response to Jhk1620

I would like to add to my comment as well. I did buy a Series 10 Black 45mm watch. The battery life is better than the other watches right now. However, Apple states 18 hours of battery life. On the new one, more like 12-14 hours. Defiantly a software issue. It also has been almost 3 weeks. Since IOS 18 and Watch OS 11 has come out. Apple needs to stop focusing on IOS 18.1 and the AI, and focus on the existing bug issue at hand!!!!

Oct 6, 2024 6:05 AM in response to ShaqAA

This is actually wild, as the Ultra 2 is supposed to have the longest battery life of all the Apple Watches and I was looking at buying it for that sole reason.

Apple dropped the ball big time on this one and it started with WatchOS 9 I think and they refuse to address the issue.

I had issues with my stainless steel 8 from the first year after an update and they kept dismissing me. Now after they said that the battery still has 85% capacity, they wanted $400 in order to replace my battery. How convenient

Oct 12, 2024 10:27 AM in response to d_b101

Exactly. I’ve tried everything. Even unpaired twice. Zero improvement. I used to be able to do 3-4 walking exercises for 30-60 mins at a time and still wake up with 35-40% battery. The other day I wanted to see how far I could take it without charging twice in a day. I woke up with 5% battery. Battery health on the Watch is 87%. Other complaint I have are the updates to Timers and Weather apps also stink. They went backwards on the update and did not improve it.

Oct 22, 2024 5:10 PM in response to maylandly

No fix. Not better at all. Watch is off warranty and next step would be to get a new battery, but the battery is still at 87% life. I’m very disappointed in the update, because it’s been terrible and less user friendly and the awful battery drain. Still charge twice a day, for now. Also what’s the point of having any of the features (always on display, live activities, regular notifications) if you have to shut everything off to make the watch last more than 6 hours.

Oct 23, 2024 12:55 PM in response to Chort26

With the last update, now my watch battery lasts another hour (7 hours instead of 6). Also, my watch no longer gets severely hot like it has been whenever I charge it since the OS 11 update.


Since the 11 update, I also cannot change the brightness on my watch. I move the slider and it has no effect. My display also periodically twitches, so I have trouble changing any alarms.


I turned off most of my notifications. (Already tried all resets.)

Oct 25, 2024 2:49 PM in response to Chort26

Same thing happened to my watch. Day before the update, battery health was 85%. Day after the update, battery health is now 76% and Apple has suggested I spend $99 to repair the battery. When speaking with Apple support, I said it sure seems like there is more than mere correlation here. It seems like the update had a causal effect on my current poor battery performance. Apple support said it was mere coincidence. LOL

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Apple Watch battery draining fast after watchOS 11 Update

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