There is a detailed teardown here: https://www.chargerlab.com/teardown-of-apple-140w-usb-c-power-adapter-a3607/ https://www.chargerlab.com/teardown-of-apple-14

There is a detailed teardown here: https://www.chargerlab.com/teardown-of-apple-140w-usb-c-power-adapter-a3607/ https://www.chargerlab.com/teardown-of-apple-140w-usb-c-powe... And a discussion here: https://discussions.apple.com/thread/256262949?sortBy=rank https://discussions.apple.com/thread/256262949?sortBy=rank And you will notice that the regular power adapter cable is not compatible with the new 140W charger: https://www.apple.com/au/shop/product/mw2n3x/a/power-adapter-extension-cable https://www.apple.com/au/shop/product/mw2n3x/a/power-adapter...