Unfortunately, Apple (and most manufacturers) does not appear to disconnect the battery, but keep it ‘topped up’ indefinitely.

Fortunately for Mac users, there are a couple solutions to control our charge levels!

For newer Macbooks, https://apphousekitchen.com/ provides a battery control app.

For older Macbooks, use a piece of thin paper or plastic to cover three pins of the MagSafe connector. See the second answer here: https://superuser.com/questions/463187/h...