Do you actually get 9m though? I always have FF open (I try hard not to install electron apps, so I have slack web open all the time). My Thinkpad running Lin

Do you actually get 9m though? I always have FF open (I try hard not to install electron apps, so I have slack web open all the time). My Thinkpad running Linux with four to six different profiles open, all with active windows and multiple tabs/windows, runs for 4h or so on battery. (Estimate based on time in the car.) 9m feels like your system might have other trouble.