Apple Watch battery drain after watchOS 11 Update

After installing watchOS 11 on my Series 8 watch the battery life has been very poor. Hasn't been 12 hours yet since I did it and I can already tell that there's an issue. Overnight the watch will use about 10% of battery. Last night it used over 30% and used another 5% while I was up for about 45 minutes.


[Re-Titled by Moderator]


Apple Watch Series 8, watchOS 11

Posted on Sep 17, 2024 4:17 AM

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Question marked as Top-ranking reply

Posted on Nov 1, 2024 10:24 AM

I think I have a solution for this:

I have a Series 8. Battery health reports 80% capacity (after about 2 years).

Following my upgrade to watchOS 11.01, I was running out of power around 12-13 hours into the day. This was even worse if I had a workout (I sometimes train for 3 hours in a single day.) On any regular day, my battery was down to 50% by lunch.

I did the following this week,

which has improved things a lot:

  1. Update to watchOS 11.1
  2. (And I think this was critical) - I un-paired and re-paired my watch (loading the last backup) with my phone right after the update.

I have done this in the past and it seems to clear up a lot of issues, particularly with power management.

Yesterday, with no workouts, I finished the day with about 25% left (at 14-15 hours). So far today, I am at 50% after 8 hours and one workout. I have another workout for two hours this evening, but I should make it to 16 hours without going to low power mode, if I’m not mistaken.

So - unpair and re-pair, loading from the backup!

155 replies

Sep 26, 2024 12:58 PM in response to ThePixelated

Same issue with 1 year old SE. Apple Store had no clue..100% at 8:30 this morning, now at 3:15 pm, 10% doing literally nothing on the watch. They didn’t seem too concerned because their watches weren’t having issues. It’s driving me crazy! I’ve tried all the suggested fixes: unpair and repair, completely reset the watch. Nothing has helped with the exception on one day this week, it held charge all day. Then the next day, right back to the same problem!

Oct 3, 2024 9:53 AM in response to ThePixelated

Upgraded to a cellular watch this year to be reachable on outdoor runs. I don’t even think the watch will last on a “long” run. A half hour run kills nearly 30% of the charge. I’ve resorted to downloading the music, run plan, and turning the always on screen off. Still burning 25-30% battery in a half hour. Hopefully this is a software issue and not a cellular watch issue…

Oct 3, 2024 12:53 PM in response to ThePixelated

received a new Apple Watch 10 today


charged it

on my wrist for 15minutes and the battery drained 10%!


contacted support; they then explained to me that batteries are suppose to drain when in use


like, seriously?!


this is the worst experience I’ve have with apple


Think I’m ready to leave the Apple ecosystem

they’re so obsessed with AI they can’t even fix the software issues they have


worst customer service ever

Oct 10, 2024 3:06 PM in response to Monte K

I didn't even notice a battery drain problem until 11.01. I always charge my series 9 around 5:30 PM every night. It's one of my reminders.


That evening charge would normally get me through the next 24 hours where I would charge it again the following day at 5: 30 PM where the remaining charge was usually between 15% and 20% remaining.


I just happened to glance at my watch battery status this morning at around 10:15 AM and it was down to 12%! 😳 I don't know what the heck is going on but I haven't changed anything on my watch and that is some serious battery drainage going on right there! 🙁 😠 👎

Oct 27, 2024 7:02 AM in response to ThePixelated

Have a series 6 with great battery life until recently. I thought it was some odd app or something else. Even unpaired and reset and started from scratch but still same issue - a 5-6% discharge per hour overnight!


Until I stumbled upon this discussion. Glad its not just “my issue” but also disappointing to see apple’s QA processes and general quality going down the drain. Battery drain test is one of the most obvious meta QA tests to be conducted for every watch update!

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Apple Watch battery drain after watchOS 11 Update

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