nix-dots/nixos/modules/hardware/battery/default.nix

{ config, pkgs, ... }:

{
  services.power-profiles-daemon.enable = false;
  services.tlp = {
    enable = true;
    settings = {
      CPU_SCALING_GOVERNOR_ON_AC = "performance";
      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
      CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
      CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
      PLATFORM_PROFILE_ON_AC = "performance";
      PLATFORM_PROFILE_ON_BAT = "low-power";

      START_CHARGE_THRESH_BAT0 = 40;
      STOP_CHARGE_THRESH_BAT0 = 80;
    };
  };
}