WatchOS 7.5 battery drain

Anyone else having a horrible battery life on the latest watch update? I have the series 5 on watch OS 7.5. Since the update my watch won’t make it 16 hours.


Before the update, I would be able to go to bed with my watch at 100%, use it for sleep mode and wake up alarm. Exercise in the morning for 30 minutes and go on my day. At night I would still have 20-30% battery before charging it. 

Doing the same routine, 2 days in a row my watch doesn't make it past lunch. I do not use the always on display function either.


Last night I reset my watch and restored from backup. Charged to 100%, went to bed wearing it, woke up this morning to 70%.


Hope a new update comes fast or wearing the watch is pointless with this terrible battery drain.

Apple Watch

Posted on May 27, 2021 2:35 AM

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Posted on Jun 25, 2021 3:11 AM

I’ve had the same issue.


After a week trying different routes, I’ve found what has worked and that is turning off the environmental sound measurements functionality in Privacy at least until Apple fixes the bug.


It looks like the functionality is running constantly in the back taking too much power, since the battery drains at a constant pace.


Hope it helps others!

252 replies

Jun 7, 2021 12:54 PM in response to MelsDown

I have done the restart several times as others have suggested, and it has helped, sometimes. However, some app or process in the background eventually starts up and will drain the battery, as usual, since the 7.5 update. This morning I started at 100% and tracked a 45-minute workout while listening to some podcasts, ut it was down to 15% by around 8 am. This was never an issue to all-day use before watchOS 7.5. I will note it was very warm during charging, and this changed after a restart during charging. Since the recharge/restart, it has behaved closer to normal. Maybe a process tied to podcasts or fitness is an issue.

Jun 25, 2021 12:26 AM in response to cakalaky

My watch is a series 5 cellular with a service plan


I’m not sure if I’ve fixed the problem but it’s got better. I unpaired the watch, repaired it. Reset it pressing the crown and button together and then drained it completely followed by a full charge. It’s only a couple of days but it’s definitely draining less. Yesterday it went from 98% at 8am to 21% at 7.30 am this morning having worn it overnight. The watch was in theatre mode for about 4.5 hours as I was playing golf so the display was off but the watch was still being worn.


Steve

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WatchOS 7.5 battery drain

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