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Falcon80

macrumors 6502a
Original poster
Oct 27, 2012
537
173
Anyone know what could have caused this battery leak?



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From what I understand, even when your AW is turned off, it still uses power for low powered Bluetooth for locating with apps like Find My Device. So it is never really off until it depletes the battery.
 
I agree. when I saw 97%, I thought it lost 3% overnight. Sorry.

I would keep my eye on it and keep us posted.

Thanks for your input. I will try to update Watch 9.1 and see how it goes.. It is really bad since the update to iOS 16 and Watch OS 9.0.
 
Thanks for your input. I will try to update Watch 9.1 and see how it goes.. It is really bad since the update to iOS 16 and Watch OS 9.0.
If it continues, might be best for Apple to take a look at it. Not sure if their diagnostics will show the problem so if I were you I would keep records and screen shots to help convince them of your problem. At most you should not lose more than 1%, at the most 2% overnight with Watch turned off.
 
Latest Update.

I updated my watch to Watch OS 9.1, phone to iOS 16.1. Setup the watch as new watch, did not install any third party app, turn off background refresh and battery life is still bad. I tried to charge to 100% and turn it off. Next morning, when I turned it on, it initially showed 100% and within a minute dropped to 80%. Battery health is 93% so I doubt Apple will allow me to do a battery replacement.
 
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Mine is series 7 Wi-Fi cellular, battery health is 90%.
Notice battery seems to drain quit fast after the upgrade of the watchOS. I did a new setup without doing restoring, AW seem to be the same battery life draining for the 1st 3 days… but after using a while, I have notice that it improving.
Am thinking maybe over the weekend I will use it till it totally off… it to have it calibrate
 
Just an update. The situation worsen to the point of dropping 100% to 10% even when the watch is turned off. Strangely, it also managed to charge to 100% from 10% in less than an hour.

Had sent my watch to Apple. Apparently, it might not be a software issue and it could be even not be a battery issue. This would mean a full cost repair is expected. 🙁
 
Just an update. The situation worsen to the point of dropping 100% to 10% even when the watch is turned off. Strangely, it also managed to charge to 100% from 10% in less than an hour.

Had sent my watch to Apple. Apparently, it might not be a software issue and it could be even not be a battery issue. This would mean a full cost repair is expected. 🙁

‘If you watch went from 100% to 10%, overnight while turned off it is time to send it to Apple for sure. Keep us posted!
 
‘If you watch went from 100% to 10%, overnight while turned off it is time to send it to Apple for sure. Keep us posted!

Sure, will do that.. It feels like it is an issue which the watch is reporting the wrong battery % but will see what Apple has to say. Hopefully it is just a battery issue!
 
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Sure, will do that.. It feels like it is an issue which the watch is reporting the wrong battery % but will see what Apple has to say. Hopefully it is just a battery issue!
Hopefully, Apple will just hand you a new watch so you can move on.
 
Hopefully, Apple will just hand you a new watch so you can move on.

The watch still with them. Since battery health still fine, they suspect it could be a motherboard issue. If that is the case, it would be the full cost of repair (USD$299). 😭
 
Latest update. No hardware issue found so they are refusing any repair for the watch. :(
 
Sorry to hear that.

I will try to bring it to another store for assistance. Hopefully, this time I can meet someone more sensible to look into this issue. Today, I tested using iOS 9 low power mode. Battery life went from 100% to 28% in 6 hours without me doing anything to the watch with exception of checking the time and a few notifications that came in during this period.
 
I will try to bring it to another store for assistance. Hopefully, this time I can meet someone more sensible to look into this issue. Today, I tested using iOS 9 low power mode. Battery life went from 100% to 28% in 6 hours without me doing anything to the watch with exception of checking the time and a few notifications that came in during this period.

Hard to believe they could find nothing. Does it do it all the time or is the problem intermittent?
 
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Hard to believe they could find nothing. Does it do it all the time or is the problem intermittent?

Not intermittent. It can be reproduced every time. I showed them screenshots. In fact, the issue has been verified at the genius groove before sending down to repair depot. But they could not find any problem with the hardware based on their "comprehensive" test thus concluded no repair will be done.
 
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Not intermittent. It can be reproduced every time. I showed them screenshots. In fact, the issue has been verified at the genius groove before sending down to repair depot. But they could not find any problem with the hardware based on their "comprehensive" test thus concluded no repair will be done.

‘You only chance is to elevate the complaint to the higher ups. You will have to be persistent but remain calm and polite.
 
Not intermittent. It can be reproduced every time. I showed them screenshots. In fact, the issue has been verified at the genius groove before sending down to repair depot. But they could not find any problem with the hardware based on their "comprehensive" test thus concluded no repair will be done.
Did you ever get this resolved? I have almost the exact same issue as you. Was sent to the repair depot twice and their diagnostics found no problems. Reproduced by the Genius Bar at the local apple store, but they couldn't convince Apple to reapir. So I now have an ongoing case with Apple that has lasted nearly 3 months. I found this in the Apple Support Communities and pursuing this leaky battery approach. It appears this problem is fairly common and is not a part of Apple diagnostics which is why it is a massive uphill battle to convince them there is a problem. Surprising a tech giant like Apple can troubleshoot a battery that can't hold a charge when the diagnostics checks out fine and battery health is good. I loose 46% battery while off for 8 hours consistently and the watch itself last at most 9-10 hours. This is an AW7 Titanium will no cell activated and only stock apps. My battery slope is very similar to your as well. Like a 45 degree drop.
 

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Bump, because my S7 also does this. I put it on charge when I get home from work, take it off and turn it off overnight, then when I put it on for work the next day it’s dropped to 90%.
 
Anyone know what could have caused this battery leak?



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Perhaps this idea has already been mentioned, but have you tried turning off Bluetooth for a couple of hours to see a difference?

Of course on iPhones the worse thing you can do for battery health is to overcharge. Not sure if this is the same for the AW

Lastly, if there are too many open apps, have you tried closing most which are active even when not being used?
 
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