NEW! ASUS ASUS A53S A53SV A53TA, A53e, A53z, A53u, A53SD-ES71, A53z-nb61, A53sd-ts71, A53z-as61, A53u-es21 DC JACK POWER CHARGE PORT PLUG IN SOCKET Connector
This is the internal port that the AC power adapter plugs into to supply power to the notebook and charge the battery.