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Battery draining in macOS Monterey - M1 MacBook Air

My M1 MacBook Air is a brand new one(1 month old). The battery life was awesome until I downloaded and upgraded the OS to the macOS Monterey. The current battery drain is like down to 62% from 100% in just 3 hours. Is anyone else facing the same issue? What can be the steps to downgrade my macOS back to Big Sur?

MacBook Air (2020 or later)

Posted on Nov 2, 2021 11:46 PM

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Posted on Nov 3, 2021 5:00 AM

Before considering a downgrade to Big Sur and battery issue outlined above >>


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144 replies

Nov 19, 2021 9:04 AM in response to QuiChrisVal

I reinstalled Monterey from the setup menu. Battery life seems to be a lot better than it was. I'll give it a few days to see if it is as good as it Big Sur. If not, I'll bite the bullet and reset my Macbook Pro to its out-of-the-box state.


Because of all of this messing around with Monterey battery life, I took my Surface Pro with me on my last all-day trip. If I have to take a power adapter because I'm worred about batter life, I might as well take a ligher device!

Nov 29, 2021 2:40 AM in response to jrk_karthik

My MacBook Pro 14" M1 drained again to nothing over the weekend from a full charge. Its charged 8 hours a day in a dock whilst in the office. Come to fire it up in the office this morning and totally flat.


I don't have any services running that I know of that could cause this issue. My 6 year old Intel MBP which I traded for this new machine didn't have this issue and my 2014 MBAir still holds battery as good as ever.


Come on Apple there is something seriously amiss here. Definitely think Monterey is the culprit and the older machines were running Big Sur.

Nov 30, 2021 1:20 AM in response to mrwrighty

I don't want to speak too soon but my M1 Macbook Pro seems to be getting better. I've got low power enabled and it is saying I'll get 14:55 hours from 76% battery charge. This a couple of weeks after reinstalling Monterey over the top of the previous upgrade (which was drainig batter like crazy). We will see...

Dec 2, 2021 12:58 AM in response to Gavin Strange

Thought I'd found the issue being Dropbox Sync. Removed it and after full charge at 5pm last night leaving the office, battery is down to 38% in 15 hours whilst asleep and no usage between then and now. Every morning it is a different app supposedly causing the issue. Today its Spotlight and Maps. When I check activity monitor only Maps is there but not Spotlight. Why would maps be sucking power. Hope Apple are on the case because its a PITA.

Dec 3, 2021 1:13 AM in response to Aylisrg

I gave up on Google sync on Intel Macs let alone M1. Absolutely killed my machine. Woke up this morning from fully charged at 5pm last night to 35% battery capacity this morning and my MacBook Pro M1 was warm in my bag so clearly it had been working out of hours. According to the stats, Safari and Spotlight were the culprit. Why are these apps still active when the MBP is asleep, it is just not necessary. Can guarantee that I will shutdown tonight at 5pm be back in the office on Monday and it will be flat again. It has lost 65% in 14 hours whilst ASLEEP. I always put the machine to sleep and not just close the lid because I use my machine connected to a screen in the office so have no need to have it open.

Battery draining in macOS Monterey - M1 MacBook Air

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