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watchOS 7 Battery Drain

I updated my series 4 Apple Watch to WatchOS 7 today. I use my watch all day and usually have about 30% battery left when I go to bed and start changing. Today my phone got to 10% by 2:30 pm! Why is this drawing so quickly?

Posted on Sep 17, 2020 2:59 PM

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874 replies

Sep 19, 2020 7:27 AM in response to dmkleist

I’m having the same problem with my series 5 I got in February. I did the update yesterday morning before I got my day started. Did a 10 min HIIT and a 40 min walk and I just glance at my battery widget at the end of the day and it was at 17%! I can do several workouts in a day and just whatever throughout the day and be at almost 50% without charging by the end of the days. I happened to wake up in the middle of the night today and noticed my watch was only at 84% charged after being on the charger for 5 hours. Then noticed it started dying on the charger. Turned off the watch and back on and it started charging properly. Did an hour workout this morning and in the midst of a walk and my watch battery is at 72% already! I’ve tweeted at Apple support and see several people on twitter expressing the same problem so I really hope apple is already fixing this serious problem.

Sep 19, 2020 9:20 AM in response to dmkleist

Same here. I havr series 5, 4 months old. Before update to OS7 I use to have all day hiking workout with gps tracking for several hours and around 20 km long trip, no problem and gave watches on charger around midnight with battery over 15-20%. Today after 11 km and 3hrs tracking it came dead! Apple wake up and fix it immediately!

Sep 19, 2020 9:41 AM in response to dmkleist

I have a Series 5 and updated to WatchOS 7 on Thursday. The battery drain has been terrible. My Watch died after 8 hours yesterday.


I called Apple to report the problem and worked with a support manager who was having the same problem. We both went through the unpair then repair process (restoring from latest backup). At 6:30pm last night I had 97% charge on a battery that shows a 91% capacity in Battery Health. I am posting at 12:30pm the next day and the battery is at 26%. This seems to be about the battery life I was getting before the OS 7 upgrade.


So I suggest going through the unpair - pair process to determine how it affects your Watch. And report the problem to Apple so they will patch it quickly.

Sep 19, 2020 9:51 AM in response to dmkleist

I have a Series 4 LTE (cellular disabled), purchased in November, same issue.

I've attempted to shut off all services I don't use, yet my drain is far more severe than OS6 (100 > 86% in two hours sitting at my desk). It previously was at 94-95% over the same period.

Others have noted activity - walking, hiking, etc. - which has an obvious greater impact, but what baffles me is that sitting still would indicate a core OS function type thing.

Also handwashing was off by default on mine. I did turn sleep tracking on, but haven't used it through the night.

Sep 19, 2020 9:55 AM in response to dmkleist

There is a fix without repairing that I have found works so far and I have been through all the betas (this started with beta 5). Go to your Watch and go to Settings > Battery > Battery Health and disable "Optimized Battery Charging". This is a new feature by Apple and clearly not working out. You will notice a significant change in battery drain (although I say the battery life is worse overall). Also forget using Always on Display. It has be off until they fix this.


Hope this helps!


🤞🏻

Sep 19, 2020 10:17 AM in response to dmkleist

Update. I have changed most of the settings in "Background App refresh" ( under "General" ). To being OFF! Then I have unpaired the watch in the watch app on the iPhone. then repaired it. Took about 30 mins in total. This seems to have sorted the battery drain issue. The watch 4 is now using about 5-6% an hour compared to 10-12% an hour when it was draining horrendously fast after updating to ios14. hope this helps a few people! 🤗👍🏻🕸


watchOS 7 Battery Drain

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