How to improve battery performance on my Apple Watch in Water Lock mode?

Question

How to improve battery performance on my Apple Watch in Water Lock mode?

When using Apple Watch 8 in water lock mode while swimming in the sea, battery drain is significantly increased (~10% per 30 Minutes).

No workout involving GPS tracking has been intentionally started.

I also tried switching off WiFi and Bluetooth in the watch’s settings, unfortunately didn’t help. Neither did airplane mode in addition.

I have no idea what I could further try to improve the situation.

Does anyone observe the same issue?

[Re-Titled By Moderator]

Apple Watch Series 8

Posted on Aug 30, 2024 2:21 AM

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Answer 1

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andreas_from_PH Author

Level 1

5 points

Aug 30, 2024 8:51 AM in response to andreas_from_PH

Reason and work around found!

Reason: while enjoying the sea, the watch almost permanently switches on the display erroneously due to arbitrary arm motion.

Work around: activate theater mode in addition to water lock. Battery drain then stops immediately as display is turned on only on pressing a hardware key of the watch.

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Answer 2

Aug 30, 2024 3:57 AM in response to andreas_from_PH

Has it always been that way, or did it start after a recent watchOS update?

Did you already force restart your watch by pressing the Digital Crown and Side button together for about 10sec, until the Apple logo comes back again?

Does the watch start recording swimming outdoors automatically, because it it detecting swimming movements?

Does the battery still show a battery health above 80% ?

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How to improve battery performance on my Apple Watch in Water Lock mode?

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