Why does laptop battery drop from 100% to 90% instantly after unplugging?

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      Sohan Yadav
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        So I’ve been noticing this weird thing with my laptop — every time I unplug the charger, the battery drops from 100% to like 90% or 91% almost immediately. like, it doesn’t even last 30 seconds at 100%. It’s not that old, i’ve only had it for a few months, and battery health seemed fine last time i checked. Is that normal behavior or is something off? I don’t play games or anything heavy on battery right after unplugging either. just curious if others are seeing the same thing or if i should be looking into settings or drivers or something.

        Thanks.

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