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Sequoia 15 ruined to my Macbook M2 battery life

Hi there,

Is there somebody with the same problem?

After I downloaded the new Sequoia 15 to my Macbook M2 Max(64gb, 2T SSD) my computer fantastic battery time become so bad.


Yesterday charged my Macbook to  80% and I went to bed, while the machine didn't use any program the Macbook battery reduces 73% and this is a totally new thing in this machine.

Two days ago the basic internet using cause total low battery, but before I downloaded Sequoia 15 this kind of work caused max 10-15 % reduce. It so disappointing. The battery time was sooo good! and I always take care for the macbook charging system and the used programs for optimisation.

I'am really sad because it is a spectacular changes and not the good way.

MacBook Pro 16″, macOS 15.0

Posted on Sep 24, 2024 2:33 AM

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Question marked as Top-ranking reply

Posted on Oct 6, 2024 7:04 AM


I am having the same problem. My laptop is not even 3 month old and after the update its draining the battery like crazy?



[Edited by Moderator]

33 replies

Sep 27, 2024 1:29 PM in response to dorina135

dorina135 wrote:

If I understand correctly what you suggest @ PRP_53, this application: Etrecheck - it shows me which other app is consuming a lot of energy in the background on my mac machine in non-optimized mode?

More or less. But the idea is that you should post your EtreCheck report as a reply here in this question. (Use the Additional Text button in the toolbar:


Then, we (the people most familiar with EtreCheck reports) will look at it and tell you which apps are most likely to be the cause.


You are welcome to read the report yourself, of course. But it's a lot of a text.

After I have found out which app or apps are "badly" working, can I send feedback to the app's developer via Etrecheck?

No, sorry. EtreCheck will not do anything on your behalf. You will have to do that on your own.

This approach also means that the problem is not in Sequoia 15, instead the cause of the problem is that some 3rd party apps are not uptodate?

Not necessarily. Every computer is different. Everyone has a different set of software they are running. Sometimes this gets very complicated. But let's not get ahead of ourselves. Maybe there is an easy answer.

Thus, if Sequoia 15 is updated to 15.1 or 15.2, this situation will not be resolved until the 3rd party updates ?

Again, no way to tell.


It can be very difficult to diagnose these things over a web forum like this. It could be as simple as Sequoia re-indexing your photos or something. That might resolve itself on its own once the indexing tasks complete.

Sep 27, 2024 9:29 AM in response to dorina135

I would potential agree 👍 with @ etresoft assessment on this computer issue


Download the Application Etrecheck  ( External Link ) directly from the Developer.


The Application is Not a " Silver Bullet "  and is  only a tool to examine the Hardware / Software used on this computer 


This is a Diagnostic Tool that makes no changes to the computer Hardware / Software used on this computer 


The application is free or paid from added features. 


The Report will Not Reveal Any Personal Information. 


Post back the Full Report - copy and paste - >>>> using the Additional Text Icon ( 3rd Icon to last ) <<<<

Oct 25, 2024 9:06 AM in response to onurcanturan

Yes, it reports 82.7 % Battery Capacity.


Which is just 2.7% above the Rated 80% Capacity before needing the Battery to be serviced


Batteries - Why Lithium-ion? - Apple


Apple Batteries are rated for 1000 Full Battery Cycles and / or 80% Capacity before needing Evaluation or 


So, it is IMHO, the issue not necessarily the Upgrade to Sequoia but rather software used on the computer


It may also be affected by the User preference to run multi applications that require a lot of Power from the Battery


One Drive from Microsoft is a good example of a process that is usually Always Running


Sep 24, 2024 2:41 AM in response to dorina135

Hello, I am very sorry for what is happening to you... I have a MacBook Pro M2 Pro that I upgraded to macOS Sequoia 15, and I recognize it is a disaster in terms of consumption. I would advise you to set your Mac to consume as little as possible. This is possible by going through the settings a little, for example stopping hard drives from running as soon as the Mac can. You can also reprogram the automatic shutdown of it. It’s not a solution, but it could already give you autonomy while waiting for a fix from Apple.


Some other tips to improve autonomy while waiting for updates include:


1. Enable the power saving mode in the System Preferences.

2. Reduce animations and visual effects (reduce transparency and animations via Accessibility).

3. Monitor and close power-hungry applications using the activity monitor.

4. Update macOS and applications regularly as patches can improve power management.

5. Reset the SMC (System Management Controller) if necessary to resolve some battery issues.


By applying these adjustments, you could improve the battery life of your MacBook while waiting for a formal fix. I hope I have answered your question correctly.

Sep 24, 2024 2:55 AM in response to dorina135

How long ago was the Sequoia upGraded performed ?


Keep the computer pulled into the charger for maybe 1 to 2 days


Depending on how much data was on the drive, it can take some time for All the Data on the drive has been re-indexed


Keeping it plugged in, may help reduce the time and battery power used during this process.



Sep 27, 2024 8:31 AM in response to dorina135

Intel Computer ? - No issues doing an SMC Reset or NVRAM Reset


Just perform each while on the charger


Apple Silicon M1 / M2 or M3 computer ? - Neither SMC nor NVRAM can be performed


The closest an Apple Silicon to doing a SMC or NVRAM Reset if to Turn OFF the computer


Wait maybe 30 seconds and start the the up

Sep 27, 2024 8:52 AM in response to dorina135

dorina135 wrote:

I did what you suggested, I also applied some tips before the problem, but point 5 was new to me, SMC reset is an option for M2 Max chips as well?

No, it isn't.


The most likely explanation for your problem is some incompatible 3rd party system modification software. Such apps are extremely popular. Their developers paint the internet in ads. As much as people complain about advertising, it is extremely effective.


However, these developers always put more money into advertising than they do quality control, operating system compatibility, or user support. One of your apps is spinning out of control and consuming too much energy and cpu power. That is what is draining your battery.

Oct 10, 2024 12:10 PM in response to dorina135

i also have the same problem my macbook pro 13 is almost new i hardly use it since i updated the sequoia 15.0.1

within a 2 hour battery life drop to 50% but before this software its drop only 15 to 17% in 2 hour i talk to the apple they told take to the repair center but there not a hardware problem they gave me another option go back to the same software erase this software i notice that problem next day of the update


Sequoia 15 ruined to my Macbook M2 battery life

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