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?


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MacBook Pro (2017 – 2020)

Posted on Sep 27, 2023 12:36 PM

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Question marked as Top-ranking reply

Posted on Sep 28, 2023 5:57 AM

One significant contributor to MacBook battery drain after updating to Sonoma or any other new OS is the background setup processes. These background activities like Spotlight reindexing, Photos synchronization, Time Machine backup operations, emails, messages and other app updates.When your MacBook is working on these tasks, it puts an additional burden on both the CPU and GPU, leading to increased power usage and battery drainage. Generally this battery drain is temporary. The best thing to do is to monitor your battery situation and, if active, connect your Mac to a power adapter, allowing them to complete without interruption. This shouldn’t last longer than a couple of days at most.

285 replies

Jan 20, 2024 7:07 PM in response to AppleAnswerDude

@Apple, while macOS Sonoma keeps draining and destroying customers' batteries! Are you going to replace it for free if the battery is completely damaged? It seems rude that you guys stay quiet and not respond to any of these battery-draining complaints for a fix. Instead, you focus on releasing another failing prototype product at a ridiculous price. My new MacBook Pro costs $2,700, 100% full charge and my battery only lasts for 2 hours. It seems like you are trying to destroy our MacBook intentionally so that we can upgrade to your other delicious new product.

Feb 9, 2024 8:35 AM in response to Aidenfaru

This is very late but I just came across your post. Thank you for an extremely thoughtful and very nicely written comment. How I wish most of the folks that "look for points" here had the same insightful arguments. Your post also shows that it is possible to keep a discussion going in a highly civilized manner. Thank you!

Mar 6, 2024 5:37 PM in response to catalin26

HI Catalin, what do you mean by "reset and and clean install"? What exactly did you do? This issue is driving me nuts and I can't believe Apple has released such a piece of garbage. I never had this problem before until I made the stupid mistake of upgrading to Sonoma... Also, see my post below (Mar 6, 2024 8:33 PM).

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Updated MacBook Pro to macOS Sonoma, now battery drains quickly

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