Quote:
Originally Posted by badgoodDeb
My year old M1 MacBook has been used as a desktop, and never unplugged. I was surprised (and then pleased) to see that the software lets it drop to 80% of battery charge occasionally, before charging it back to full again. I presume that’s for battery health reasons.
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It sounds a bit like a feature on my Walkman (NW-A55). To extend the battery's total life you can set it to only charge the battery to 90% of its capacity.