Battery Drain since watchos 7.4

Is anyone else having issues with battery draining since the update to 7.4?


I have the series 5 watch, and the battery goes from 100% to 0% in approx five hours.


I've tried a re-set on the watch, and it still seems as bad.

Posted on Apr 29, 2021 2:33 PM

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Posted on May 23, 2021 3:45 PM

I had the exact issue on my Series 5 44mm after updating to 7.4.1. I tried unpairing it and re-paring it via the Watch app on my iPhone a couple times. The first time I restored the watch from backup. Since that didn't help, the second time I set it up as a new watch. I kept things super minimal and only installed 6 apps, but it didn't make a difference.


I finally fixed it by doing a Reset on the watch itself by going to Settings -> General -> Reset -> Erase all Content and Settings. After the watch reset, I paired it again and restored from backup. Now my watch is back to having around 60% charge remaining after a full day. In other words, I had to Reset/Erase the watch from the watch itself since unpairing from the Watch app on my iPhone did not help.

76 replies

May 16, 2021 4:42 PM in response to deichbezwinger

This update is horrible!

Two weeks ago, when I talked to the support, the result of their diagnostics was battery health of 98% (after 1 year still pretty good). Last sunday, when I checked it again, I was more than surprised, because now the health status is just 91%. 7% in less than a week. I really can‘t imagine, that this is normal… But I‘m sure that this Update is going to kill my S3 from inside out.


Sadly my warranty ran out in February 21 and I missed it to get Apple Care for my watch, so I won‘t get a replacement.

Next time I‘ll don‘t do updates before doing Research about the update…


This is so annoying and time consuming 😑

May 21, 2021 5:21 PM in response to AndyCarter77

I’m having the same issue with my Series 6. I’ve reset, unpaired and re-paired, follow steps in troubleshooting docs, nothing has helped. I go from 100% to 0 in 6-10 hours and often the most usage is when I’m sitting at my desk not using the watch at all. I’ve contacted Apple support multiple times and they say everything is normal. This all started with the update to 7.4 and there was no improvement with 7.4.1.

May 9, 2021 5:20 PM in response to vkwan

In fact idk y a watch needs security updates but anyway. My series 6 is on watchOS 7.4 and it was at 62% before sleep last night. Juz picked it up and it dropped to a low of 28% but I didn’t use it overnight…


I’m tired of seeing this cycle happening again and again every other update. Apple could u please improve the quality of your updates. It takes me forever to ponder before updating.


May 20, 2021 6:26 AM in response to Fernando_Roque

When you say deactivate wifi, you mean put on airplane mode? In Airplane mode i'm still getting my updates from the phone via BT so I guess that's turning off wifi. I started to try that this morning. Hoping that might help. If you have another option to disable wifi only, please share the steps


Will keep you all posted with airplane mode.

May 22, 2021 1:02 AM in response to Fernando_Roque

I don’t use this feature, too (iPhone SE 2020). I also turned off WiFi, but this didn’t fix the Problem. Battery of my S3 is still draining fast 100-0% in 13 hrs (before updating to 7.3/7.4/7.4.1 the battery made it up to 48hrs and more. Also the battery health decreased in 1 week from 98% to 91%. It lost 2% in a year, now 7% in a week… this can’t meant to be normal. Still waiting for apple support (Germany) calling back.



full at 6.01 a.m.

empty at 8.28 p.m.

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Battery Drain since watchos 7.4

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