Plugged-in performance while unplugged without torpedoing battery life is what is really special about M-series laptops for me. It’s such a stark contrast with

Plugged-in performance while unplugged without torpedoing battery life is what is really special about M-series laptops for me. It’s such a stark contrast with my ThinkPad which becomes noticeably more sluggish the moment it’s untethered in “balanced” mode and eating through battery like candy with “Performance”.