KAPM is a docking KDE utility that allows you to monitor your laptop's
battery status and perform other APM (advanced power management)
tasks. 

  o  Panel Docking KAPM displays a small bar on your panel depicting the
     status of your battery
  
  o  Status Notification KAPM can optionally tell you when your battery
     is done charging or running low

  o  Power Managment KAPM can suspend, standby, or power off your
     computer