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Battery charge plunges after watchOS 9.5

I started checking the charge level on my Apple Watch 4 after a full charge. No activity on the watch.


09:00 100%

10:00 77

11:00 60

12:00 48

13:00 29

14:00 11

14:30 0


Possible reasons:

  • The battery is shot
  • Watch 4 is too old
  • watchOS 9.5 has a problem


Thoughts?



Apple Watch Series 4, 9

Posted on May 22, 2023 3:04 PM

Reply
Question marked as Top-ranking reply

Posted on Jun 14, 2023 10:16 AM

Hello! Multiple factors could be affecting your Apple Watch's battery life, such as Bluetooth and how active you are. Read the 'Tips for Apple Watch' section in this article to find out how to preserve your watch's battery throughout the day: Batteries - Maximizing Performance - Apple.


As you mentioned, depending on when you bought your Apple Watch, its battery could be ageing. This makes the battery less capable of holding a charge. You can check your watch's battery health by following these steps:


  1. On your watch, open Settings.
  2. Tap Battery  > Battery Health.


If the maximum capacity is less than 80%, it's recommended that you get the battery replaced: https://getsupport.apple.com


Take care!

113 replies

Jun 1, 2023 1:07 AM in response to G10Bud

G10Bud wrote:

So I am convinced, now that September is nearing, this update by Apple has purposefully triggered the battery drainage so that we are forced to consider a new Apple Watch.

I am pretty sure that with all software upgrades the battery % starts draining faster.


That is a conspiracy theory of the most illogical type. They produce updates that can be installed successfully on 5 year old devices with zero problems. Your difficulty with your device is personal to you and should be looked at individually, and should not be conflated with any Apple master plan you may have imagined. 

Jun 1, 2023 4:21 AM in response to Paul Sitahal

Hi Guys, I did the update on My wife’s watch 4 to 9.5.1 and it was working until ot actally stopped working and only had the logo on and off! I set up a Genius var to Saturday vut was able to reset the watch to factory! Then created a new profile without using the back up! It seems the release corrupted the software! It seems to be working so we will test for the next 2 days before the Genius bar appointment! Just as a note I have a 4 series as well and nothing happened other than battery getting lower 10% than usual at end of the day! I still think the release caused it as many people are impacted!

Jun 1, 2023 9:26 AM in response to Kgun76

Kgun76 wrote:

One of the requirements for “every line of this” is that our phones cannot run VPN? I use my phone for work and it requires VPN, so does that mean certain fixes are not available? Can I not have a watch now if I use vpn? Seems unrealistic.

It is IMHO, most unfortunate you are required to have a VPN on your iPhone. But that can and often does cause issues with iPhone and Apple Watch. The fact is iPhone does NOT need to have a VPN. But as you have a work phone and of course you must follow the requirements of your employer. In doing so, you can't hold Apple responsible for issues an employer required VPN can and usually causes. I would recommend you bring your issues to the IT folks at your company. Apple can't solve individual issues caused by using a VPN.


On a personal note, while I've not had any unusual battery drain issues with my Apple Watch Ultra through any update, I am seeing beyond great battery life under WatchOS 9.4.1. I strapped my Ultra to my wrist at 7:30 AM (eastern) this morning. While I've only texted a bit, so no heavy usage, my battery did start at 100% this morning and at nearly 12:30 PM, my battery is at 99% remaining.

Jun 1, 2023 6:33 PM in response to PWS52

Hi PWS52,


If you don’t mind, I probably missed it. What series watch do you have? In 15 hours are you saying you used 70% or have 70% left? Meaning you used 30%.

My stats on my Ultra are, for 12 hours I used 25%. That is with the 9.5.1 update yesterday. Before the update I was regularly using 20% for 12 hours. So my watch is now consuming 25% more. That is an improvement over the initial update where it was consuming 50% more. Hopefully it resynchronizes and recalibrates and returns to what it was before the update.


Thanks

Jun 1, 2023 6:50 PM in response to lobsterghost1

Thanks my friend. Yes, a restart and then a forced restart. I restart all my devices several times a week. It is my recommended first step go to for all friends and family when they have issues. I’m hoping in another day or 2, I will get my full and usual consumption ratios back. No panic yet as it’s only been 36 hours since the update.

Jun 2, 2023 7:28 AM in response to PWS52

PW, thanks for sharing that info. That’s looking pretty good and impressive. Trending really good. A little update on my Ultra. It looks like it has returned to normal and possibly better. 5% battery use for 9 hours. That was off a full charge and some sleeping involved, but still wearing it. In a 14 hours it will be 48 hours since 9.5.1 update. It’s looking like 48 hours after the update plays a big role.

I too will update again in about 14 hours for a full 24 hour update and some regular usage.

Happy charging to everyone.

Jun 3, 2023 8:33 AM in response to PWS52

That is very impressive. The series 8 is a very sweet watch. If I would have been aware of that kind of battery performance, I’m pretty sure I’d be wearing that watch at the moment. That’s the truth as I actually ordered and received the S8 and sent it back to apple unopened because I was worried about not having a long enough charge. Your stats would have convinced to keep that watch. These forums can be very helpful in many ways.


thanks

Battery charge plunges after watchOS 9.5

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