Apple is tweaking how MacBooks charge to extend battery lifespan

Apple is introducing a new feature in most modern MacBooks called “Battery health management.” It’s going to be available today for developers and will roll into the future macOS Catalina 10.15.5 update.

On by default, the new feature is intended to extend the overall lifespan of your laptop battery by reducing the rate of chemical aging. It does so by not charging the battery all the way up to the maximum in certain cases. Fully charging a battery puts a strain on it that can more rapidly reduce its longevity over time. Some phones now avoid charging all the way to 100 percent until just before you wake up for this reason.

What that means for your laptop is that in certain cases, seeing 100 percent battery life in your menu bar may...

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