The xfce4-power-manager application is an authority manager for the Xfce desktop, laptop users can situate up a power outline for two special modes “on battery power” as well as “on ac power”, desktop users still can modify DPMS settings along with microprocessor frequency by means of the settings dialog.

Here are some key features of "xfce4-power-manager":

• Monitor DPMS settings
• Suspend/Hibernate
• Battery monitoring
• CPU frequency settings
• LCD brightness control
• LID, sleep and power switches control

Requirements:

• gtk+
• GLib2
• libnotify
• DBus-Glib > 0.70
• Xfconf >= 4.5.90
• DBus >= 0.60
• HAL >= 0.5.6
• Libxfce4utils >= 4.4.1
• Libxfcegui4>= 4.4.1