The  mac battery’s health  helps us to
understand its condition, and whether we are taking good care of MacBooks. The
first thing to know is that the mac battery is made of the best materials, but
that does not prevent it from degrading over the years. But you know why?
Because the mac battery is similar to a car battery, and is an organic element,
at some point performance will no longer be the same.

Read the full blog here: https://www.soldrit.com/blog/how-to-check-your-macs-battery-health/