Trusting battery estimates? I believe apple claims my m3 mac is capable of 15 hours or so. If I’m lucky I will get like 7 hours with a basic documentation webpage open and the terminal connected to ssh.
[0] https://www.notebookcheck.net/Lenovo-ThinkPad-T14s-G3-AMD-la... [1] https://docs.kernel.org/admin-guide/pm/amd-pstate.html
https://www.tomsguide.com/news/macbook-pro-m3-and-m3-max-bat...
Maybe yours is a lemon and/or should be replaced?