They have a battery attached to flat wires. When you give a couple millimeters of room from the plug, they insert the flat wires and the computer will be powered from the battery.
If the computer is logged in, they have a USB device that mimics a mouse. It makes the mouse pointer move back and forth to prevent it from going to sleep or the screen saver.
They have a battery attached to flat wires. When you give a couple millimeters of room from the plug, they insert the flat wires and the computer will be powered from the battery.
HotPlug Field Kit
If the computer is logged in, they have a USB device that mimics a mouse. It makes the mouse pointer move back and forth to prevent it from going to sleep or the screen saver.