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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 Apr 30, 2021 5:22 AM

I find that this sometimes happens after updates, but it often clears up on it's own after a day or two. With this update, I had some battery drain on Tuesday and Wednesday, but Thursday was fine.


When it gets very low, it will ask to go into "power reserve". You should turn that on, then charge it. Sometimes that's all it needs, and after it charges up again it will be back to normal.


If that doesn't work, you can try unpairing/repairing your watch and phone, but that's a last resort. It takes a while and is pain in the neck, so just waiting to see if the battery issue goes away by itself (or if there's another software update to fix it in a few days) is a better option at first.

76 replies

Jul 23, 2021 6:30 AM in response to JustinBPDX

I had the same issue. My original watch drained on SOME days to 0% by 10am. Some days is lasted all day. I had apple send a new series 6 and it fixed it for a few weeks; now its doing the same thing but not quite as bad. I have deleted all unnecessary apps, experimented with cellular, Wi-Fi, and Bluetooth. I will try your resolution and get back to you! Thanks for posting this advice!

Battery Drain since watchos 7.4

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