Laptop AC Charger Adapter Power Supply for ACER ADP-40TH A W10-040N1A ADP-40TH(A) IU40-11190-011S AK.006BT.033 AK.003BT.064 AK.006BT.077 AK.003BT.065 AK.006BT.070 AK.006BT.072 19V 2.15A 40W