Battery drain on my Apple Watch after watchOS 9.5.2 update

Is anyone else experiencing battery drain from the recent update? I have a new watch and this recent update, in under an hour (53 minutes to be exact), had my battery go from 55% to 39%.


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Apple Watch SE

Posted on Jun 21, 2023 8:11 PM

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Posted on Jul 13, 2023 9:45 AM

EBeth0001 wrote:

I did charge it to 100%. It’s been 16 minutes and it’s at 82%. I’ll let it drain to 50% and then power it down until I decide what to do with it.

My advice is to keep using the watch if possible. Put it back on the charger if necessary, but keep its alive and let it sort out its post-update tasks instead of shutting down and having to start over, and over, and over...


You won't do any real harm to the battery by leaving it on the charger for a day or so. The charging system on Apple Watch is intelligent, and it will just stop the charge to prevent over charging, and continue to use the charger power to run the watch.


I and many other users have noticed that battery usage is often much heavier than normal for a few days after a software update. We believe this is because the internal storage gets reindexed after the update is installed, and there is probably a lot of processor work to do this and clear all the remains of the previous version. Usually this clears after a few days and everything is back to normal. However, you need to let the software do its job and not keep making it go back to the start line by shutting down.

52 replies

Jul 13, 2023 8:41 AM in response to Branta_uk

@branta_uk does make a good point. Using “no charge” was an error on my part as I proofread. It seems ironic that the proofread introduced an error. I’m sorry for that.


I should have used “automatic shutdown” or “full cycle” like I did everywhere else in my post.


As a side note to @EBeth0001 continuing to use the Watch a few hours then recharge will progressively shorten the reported Watch battery life.

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Battery drain on my Apple Watch after watchOS 9.5.2 update

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