Actually my work laptop is expanding because of its battery. It’s had some usage but nothing like a phone. It’s usage isn’t far from what you describe but with

Actually my work laptop is expanding because of its battery. It’s had some usage but nothing like a phone. It’s usage isn’t far from what you describe but with considerable time kept powered. I’m thinking it could be heat related. That machine heats up because I use it for “desktop” tasks. But Apple long ago stopped making laptops aimed at being cool internally and cool to the touch.