{
  user ? throw "user argument is required",
}:
{
  config,
  lib,
  pkgs,
  ...
}:
{
  home-manager.users.${user.name} = {
    services.cbatticon = {
      enable = true;
      lowLevelPercent = 20;
      criticalLevelPercent = 10;
    };

    systemd.user.services.cbatticon.Unit.After = [ "graphical-session.target" ];
  };
}