It’s a late Intel or an M1/2

Leave the battery be. You don’t need apps to monitor heath, or limit charging. You’re paying an absurd amount for most laptops to them just get 70-80% battery (which is a big thing MBS are known for) If you’re concerned about battery health, get AppleCare+.

Then proceed with using it as you need.

The magic keyboard is super nice and compact to travel with. Honestly forget it’s in my backpack.