Battery drain in WatchOS 8 on Apple Watch 6

I installed WatchOS 8 on my Apple Watch Series 6 on Monday night. The battery is draining super quick now. For example in drained 20% while going out to dinner and back over 1.5 hours.

Apple Watch Series 6, watchOS 8

Posted on Sep 22, 2021 5:38 AM

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Posted on Oct 31, 2021 8:37 AM

Have resolved the issue with Apple support .

Backed up the phone via iTunes > recovered the phone to factory default (while phone connected to iTunes ,volume up then volume down then long press on shutdown till cable connected an pc was shown > select recovery and follow the process ) > restore from iTunes backup > pair the watch again .


200 replies

Dec 23, 2021 4:27 PM in response to jdbq

Mine’s on watchOS 8.3 and the drain is still there. I finished the day with 66% from that charge from 10am which is more than the usual for a proper full day (waking up and putting the watch ca. 7am).

So no, it’s not fixed with 8.3.

But it was a slight improvement compared to yesterday. Let’s see how it performs tomorrow.

Dec 26, 2021 12:49 PM in response to RicoTheOfficial

Not the step tracker alone (which, by the way, is something I always had on since 2015 and if I also turn that off, you can add to the list I started to mention above). The entire workout tracking (that makes up the lime green middle ring of the 3 activity rings by measuring, yes, steps among other things). It bizarrely goes full circle multiple times a day when the calories ring don’t follow that. Yes, I became a lot lazier in 2021. I still keep the goals under control. But even when I had a very disciplined daily workout routine, the rings followed what was expected and the battery never drained like this. The fact the red ring behaves as expected when the green doesn’t is a sign something is not quit right . I can only speculate that I need to recalibrate everything by going out more and doing more activities.

Dec 28, 2021 4:12 PM in response to nirzar52

I’m not sure what happened. It’s been roughly a week, and the battery has been performing as it should be. I get about 1-3% drain per hour. Most importantly, I don’t need to bring the charger to the office. Only difference I can recall is I took it out from the plastic case I used. I don’t see how that relates though, so it must be a behind-the-scenes software update. Initially, when I updated 8.3, there still was battery drain on and off.

Feb 16, 2022 8:42 PM in response to PR4590

This is getting old: as a consumer, I’m not buying a new watch every year, so I have an Apple series 6, and it didn’t take a ton of analysis to notice the recent updates seemed to knock about 1/3 off my battery life.


I have Apple Care, and don’t want some genius telling me how to unpair and erase / restore data. I want it fixed for me, while I play golf or do other “not IT” work. IT was my career, I’m retired.


OK, I have a MacBook Pro, Mac Mini, and an iPhone 13 waiting for me to decide if I want to purchase Apple Care. Does anyone here feel like Apples premiere “protection” program should “just handle this” and ship my watch back when my battery life returns ?

What ever happened to customer care ? I’m hooked on tech, but not if I have to fix everything Apple cripples. Maybe a Timex and a Flip Phone ?

Mar 28, 2022 10:53 AM in response to ClemsonSig90

I purchased Apple Watch 6 SE on 1st March 2021. Battery is draining very fast. Os 8.5 updated. I unpaired the watch and paired it again but no improvement seen. Battery Health shows 91%.

Within 12 hours it comes 100% to 0 %.

Now have done what advised suggested by other such as stopping background apps refresh etc. users but nothing positive.

Please suggest what should I do ?

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Battery drain in WatchOS 8 on Apple Watch 6

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