ARM-based laptops have good (but wouldn't say exceptional) battery life with very light usage. Once you start using a browser or pretty much anything using a no

ARM-based laptops have good (but wouldn't say exceptional) battery life with very light usage. Once you start using a browser or pretty much anything using a non-trivial amount of CPU, that battery life goes down the drain. My PinebookPro is very happy to work for 10 hours on one charge, as long as the CPU is left alone. LibreOffice, very light shell scripting, book reading, no bluetooth, things like that... Once I start (ab)using QtCreator, or start messing with Firefox, that number gets closer to 2 hours. For comparison one of my other (budget) laptops with Ryzen 4700u gives me over 6 hours of battery life with light usage (including browsing the internet), but I still get around 4 hours out of it when I keep compiling the kernel over and over again.