Asus G55VW User Manual page 21

7
Power (DC) Input
The supplied power adapter converts AC power to DC
power for use with this jack. Power supplied through this
jack supplies power to the Notebook PC and charges the
internal battery pack. To prevent damage to the Notebook
PC and battery pack, always use the supplied power
adapter.
The adapter may become warm to hot when in use. Ensure not
to cover the adapter and keep it away from your body.
Notebook PC User Manual 21