Will it continue to charge when it is turned off, is this intentional

[ForsakenDelusion]

this is a good project,but i have some questions .The charge will continue when I turn it off, and when I turn it on again, the charge is over 80, which makes me have to disconnect the charger to make it lower than 80, although I can do this by the command sudo pmset -b sleep 0; sudo pmset -b disablesleep 1 to shut down the screen external display still works,(im using the external display ) is there a better solution? thanks.