Battery Draining Fast since Tahoe upgrade

I have a 14" M4 Pro MBP and ever since I upgraded to Tahoe the battery is draining incredibly fast. Has anyone else had this and if so have you been able to mitigate it?

MacBook Pro (M4)

Posted on Sep 18, 2025 8:48 AM

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Posted on Sep 18, 2025 8:56 AM

That should be expected while spotlight is indexing files in the background and optimizing object detection on your photo library after an update. Give it 3-4 days and leave the Mac plugged in when near a power source. Large Photo libraries may take a day or two longer.

About Apple software updates - Apple Support


It really should not take long to index files with the speed of the M4 as long as the computer is not shut off to prevent it from indexing.

43 replies

Oct 23, 2025 10:47 AM in response to kpradeepmai

The next version is currently in beta and being tested. You can be part of that verification process if you wish by becoming a tester, but would not recommend to do that on a primary device. We cannot comment on the issues that have been resolved so far in the beta process as it is a violation of the terms for becoming a tester.


The Battery Health of a device is always going to drop, so there is no update that will see the Battery Health percentage increase. Those drops are not linear and some months may not drop at all and other months could drop more. That has always been the case.

Nov 7, 2025 8:03 AM in response to erikbock

I still couldn't figure out what fixes this in my case. I first updated to Tahoe 26.0.1 (I believe) about three weeks ago. The battery basically ran down from full charge to <10% in no time, mostly from browser usage (including streaming). Last week I updated to 26.1. and it still drains the battery really fast.It looks like indexing is done I'd assume that after about a week everything should be done.


Any clue as to what I can do?

Battery Draining Fast since Tahoe upgrade

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