I’ve had the same experience. Ubuntu 18.04 and up on a Dell Inspiron. 2hrs Max. Always warm, fans on all the time. Installed TLP and now I get 5hrs or more dep

I’ve had the same experience. Ubuntu 18.04 and up on a Dell Inspiron. 2hrs Max. Always warm, fans on all the time. Installed TLP and now I get 5hrs or more depending on workload. Usually more. Seriously, just have a check of what the system is and install TLP if it’s a laptop. It’s 2020.