Apple Watch Series 8 battery draining rapidly after watchOS 26 update

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Apple Watch Series 8 battery draining rapidly after watchOS 26 update

Went for a 40 minute jog today after installing 0S26 last week. Battery started at 77%, and the battery died about 35 minutes into the jog. I did nothing different VS every other jog I've taken. I use the workout app and listen to music during the run.

Anybody else seeing battery issues after the new update? Any fixes??

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Original Title: Watch 8 battery life after OS26 installed

Apple Watch Series 8, watchOS 26

Posted on Sep 19, 2025 9:42 AM

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Ingo2711

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86,717 points

Sep 19, 2025 12:58 PM in response to skier17

Did you already have a look at the tips in the related article?

If the battery in your Apple Watch drains too quickly - Apple Support

I force restarted my iPhone and Apple Watch after the upgrade to watchOS 26 and iOS 26 and the battery life is slowly getting back to normal.

Force restart iPhone - Apple Support

To force restart your watch, press and hold the Digital Crown and the Side button together for about 10sec, until the Apple logo comes back again.

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Apple Watch Series 8 battery draining rapidly after watchOS 26 update

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