MacBook Air m1 battery reduced to 98%

I purchased my MacBook Air M1 2 months ago, I have completed 57 charge cycles and my battery health is reduced to 98% even though I have been charging it in the perfect battery cycle between 30%-80%

, never over 80 nor below 30, Why is this happening even after such care of battery.


will letting MacBook always on power with 100% affect battery health even 1% ? I doubt !

MacBook Air 13″, macOS 11.4

Posted on Jun 7, 2021 3:32 AM

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Posted on Jun 7, 2021 7:10 AM

Batteries are considered Consumable Products. Over time it will degrade to a point where it needs to be replaced. In you case - the usage is normal as the capacity will go up and down all the time and never stay always at 100%. Apple Batteries are rated for 1000 Full Battery Cycles and / or 80% Capacity before needing Evaluation or replacement.


For additional reading on Battery and Apple Computers this link may help. About battery health management in Mac notebooks and especially for the M1 and Big Sur If battery charging is paused or on hold on your Mac

169 replies

Oct 22, 2021 3:50 PM in response to Rajchandela

Sometimes we can only trust big companies doing the right thing like Google cloud charges me $0.01 without me knowing until Bank notified me and i contacted them, then there support says related person used the card is contacted but i received no message/email lol.


it costs around $300 (20% of M1 air price lol) to replace the battery for my i5 this year, not sure about M1 but Try to avoid using battery when you heavy applications or using lots of Cpu


Give them a bit of time to optimise stuff and trust to optimise stuff soon :))

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MacBook Air m1 battery reduced to 98%

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