nix/module/Powerlimit.nix
2024-03-04 03:04:57 +03:00

14 lines
612 B
Nix

{ pkgs, lib, ... }: {
systemd.services.powerlimit = {
description = "Limit battery charge.";
enable = true;
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "simple";
RemainAfterExit = "yes";
ExecStart = "${lib.getExe pkgs.bash} -c 'echo 40 > /sys/class/power_supply/BAT0/charge_control_start_threshold; echo 80 > /sys/class/power_supply/BAT0/charge_control_end_threshold;'";
ExecStop = "${lib.getExe pkgs.bash} -c 'echo 95 > /sys/class/power_supply/BAT0/charge_control_end_threshold; echo 90 > /sys/class/power_supply/BAT0/charge_control_start_threshold;'";
};
};
}