There are some known issues with sleep/suspend around battery drain, but some people have had some success with some scripts, see the two below threads.
Personally I run Fedora 41 and get about 8-9% drain over about 9-10 hours.
Is there an established baseline for testing the power consumption in suspend/sleep/s2idle under Linux, e.g. a clean Fedora 39 install with BIOS defaults?
I saw a lot of unanimous opinions about what to expect from FW13 AMD sleep under Linux. Personally, i’ve experienced between to 20-40% battery drain over a 8h night (which would make to the laptop kind of unusable to me) and saw reports all the way down to 2%/night, which seems unusual low for a non-lpddr laptop in suspend. ([TRACKING] Linux …
Anyone else notice very high battery drain while the system is suspended? I tested it just now overnight and lost ~40% battery in 9 hours. This seems a little excessive to me. Currently running Ubuntu 21.04.