Improve Heat Protection: Active cooling while charging

Maybe this applies only to the M1 Macs, but I noticed that the battery of my MacBook Pro becomes quite hot while charging. The cooling system of this new MacBook design is very efficient and also the air inlet passes the batteries, cooling them effectively. However, because the Mac is so energy-efficient, the fans actually almost never activate.

So I tried to activate the fans during charging today and the temperature reduction at a fan speed of 50% was considerable. I used iStat Menus to control the fans and measure temperature.

So since you already read the temperature sensors in your Heat Protection feature, I was thinking it might be quite simple to control the fans as well. In case you consider such a feature, please do not only implement an on/off option only, but a more fine-grained control to keep noise at bay 😉