19V 6.32A 120W 4.5*3.0mm N56V N53 SN N75SF N76V N76VZ N73S N551 N550J K55V K53SV K43S X53S A53S N193 N53SM N55SF N71J ;ACER Travelmate 250 MS2138 Acer Aspire 8930G-844G32Bn AC Adapter Charger