{ ... }:

{

  services.batsignal = {
    enable = true;
    extraArgs = [
      # expire notifications
      "-e"
      # show message when battery begins charging/discharging
      "-p"
      # minimum number of SECONDS to wait between battery checks
      "-m10"
      # bat levels
      "-w20"
      "-c10"
      "-d5"
      "-D" "systemctl suspend"
    ];
  };

}