Pretty much every laptop on the planet will run Linux. Maybe your optics are tinted because you seem to be a Mac person, and Linux support for newer Macs has known issues with low power modes.

I note how your 12+ hour claim was reduced to 5 hours when you actually put it to real work. It's still impressive, of course, but 5 hours aren't out of reach for Ryzen laptops either.

BTW, I have a RISC-V platform with 8 1.6GHz CPUs that uses under 5W under full load; on your 100Wh battery it would last for 20 hours. It's not a complete system, and performance lags behind Apple/Intel CPUs, but I think in few years RISC-V may take a bite out of both.

It’s not “running Linux” that’s the issue. It’s running Linux and getting good battery lifez

And a 1.6Ghz RISC V CPU isn’t exactly “fast” in 2026 or even 2021.

You noted that it was 5 hours when powering a second monitor from its USB port. Not just displaying video from the USB port, the monitor is getting power from the USB port.

How long do you think your 5 hour laptop would last powering an external display - again not just video out, also supplying power?

"Pretty much every laptop on the planet will run Linux."

Well, as long as you buy a Mac laptop that's at least 3 years old you'll be mostly..good. Unfortunately Apple isn't interested in helping Linux and everything has to be painfully reverse engineered and some stuff for M1 is still broken.