{
  config,
  lib,
  pkgs,
  ...
}:
{
  services.apcupsd = {
    enable = true;
    configText = ''
      UPSTYPE usb
      NISIP 127.0.0.1
      BATTERYLEVEL 5 # shutdown after reaching 5% battery
      MINUTES 5 # shutdown if estimated runtime on battery reaches 5 minutes
    '';

    hooks = {
      # command to run when shutdown condition is met
      doshutdown = "systemctl poweroff";
    };
  };
}