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What's the minimum battery charge before you should plug in?

What's the lowest battery threshold you should allow your Macbook Air to get to before plugging in?


40%? 20%? Is it bad if it ever goes below 20%? It's a Retina 2020 so it's lithium ion.

MacBook Air 13″, macOS 12.3

Posted on Mar 25, 2022 3:37 AM

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Question marked as Top-ranking reply

Posted on Mar 25, 2022 3:39 AM

There is no requirement to micromanage the charge process.

At a desk leave it connected to the charge circuit.

If you need portability, use it on battery power.


The Mac is smart enough to manage the entire charge process.

2 replies

What's the minimum battery charge before you should plug in?

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