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Updated MacBook Pro to macOS Sonoma, now battery drains quickly

I updated my MacBook Pro this morning to macOS Sonoma. Everything was good at first and I really like the look and feel. But as soon as I took it off my charger to go to some meetings the battery dropped from 74% to 44% in about 5 minutes. Then as soon as I turned on WebEx the battery dropped from 44% to 7%.


Anyone else having battery drain issues with macOS Sonoma? Is it maybe just temporary from all the background activity similar to the phones?


[Re-Titled by Moderator]

MacBook Pro (2017 – 2020)

Posted on Sep 27, 2023 12:36 PM

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Question marked as Top-ranking reply

Posted on Oct 31, 2023 6:55 AM

There are too many people complaining about this issue all over the world on many websites. What was mentioned is true about what causes the drain but for us who reinstalled and reinstalled both Ventura and Sonoma, we are not dumb to not know the difference. 20+ hours reading PDFs on Ventura to 6-10 hours on Sonoma doing the same is too significant to ignore. I think it's an insult to our intelligence thinking that many of us do not know what we're talking about when apple techs keep making suggestions about this and that without addressing the issue. the problem is common out there across the internet and a simple google search of "Sonoma battery drain" will show that.

285 replies

Dec 30, 2023 5:15 AM in response to AppleAnswerDude

I solved my problem: turns out it was widgets in the Notification Center. I hadn't set up any desktop widgets, and since I don't use the notification center I had no idea that the OS upgrade had put a few there (Weather, Stocks, I think maybe Photos). This week I accidentally moved my cursor to the upper right corner of the screen and the Notification Center appeared and I saw these widgets. I removed them and my overnight battery drain has gone from 4% per hour to 5% total overnight.

Dec 30, 2023 5:33 AM in response to abeagler

The thing is, when you upgrade, you should go through every section of the System Settings after the upgrade. Some new options could be added, some other options might be taken off. Also, if your Mac is near an electrical socket, it would be advisable to plug in the Mac, before putting it to sleep, with optimised charging mode enabled👌

Dec 31, 2023 1:47 PM in response to abeagler

I thought I'd posted an update on this, but don't see it. I finally isolated the problem that was leading to me losing about 30% charge overnight - widgets in the notification center. I don't have any desktop widgets, and so I rule out widgets as an issue. But I don't ever use the notification center, and so I had no idea there were widgets there by default (weather, stocks, one or two others). I stumbled upon that this week and once I deleted those my overnight standby battery drain dropped to <5%.

Jan 1, 2024 2:53 AM in response to AppleAnswerDude

My MacBook Pro 13 2020 has been having this problem since installing Sonoma, but only during the night. Usually I leave it plugged in, so I hadn't really noticed until last week when I left it unplugged two nights in a row and both times it went from 100% to 0% over night in sleep mode. Last night I turned off WIFI before going to bed so that it had no internet connection, left it unplugged and it only dropped from 100% to 98% overnight. This morning at 8 I turned the WIFI back on and over the last 4 hours it has dropped another 2% in sleep mode. So it must have something to do with some kind of external communication it tries to do in the wee hours. iCloud?

Jan 19, 2024 3:05 PM in response to AppleAnswerDude

Last night I turned off my wifi on my MacBook Pro before putting it to sleep and for the first time since upgrading to Sonoma, my battery lost no power overnight. I put it to sleep with 80% and woke up to it at 80%.


I had previously chosen "Enabled Power Naps" Only on Power Adapter and "Wake for network access" Only on Power Adapter with no results. I even replaced my battery through Apple Care with no results, other than it now says Normal Battery Health.


Still, I think my battery drains too fast(for a new battery) while I am actually using it. In the time it took to type this, my battery dropped 5%.


Jan 28, 2024 3:45 AM in response to AppleAnswerDude

Updated a couple of days ago to Sonoma, and used my laptop for maybe an hour, left closed in sleep mode. Came back to find it COMPLETELY dead, re-started it, charged it for 15 mins as I needed to move it from one room to another and literally watched it tick from 8% all the way down to 0% in about 3 mins.

My laptop is also now almost too hot to use on my lap - as the name might suggest.


Updated MacBook Pro to macOS Sonoma, now battery drains quickly

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