New Original Laptop Ac Adapter LITEON for Acer 19v4.74a 5.5x1.7 90w PA-1900-32 3750G 4520 4520G 4530G 4710G 4720G 4720Z 4730G 4740G 4741G 4750 4743 4750G 4820TG 4830TG 4910 4920G 4930G 5510 5672 5762 5920G Z53U 5520G E1-431G E1-471 output power:19v4.74a 90w output dc plug:5.5mmx1.7mm input ac power cord plug:3 prong package:adapter *1 power cord *1 Logistics:E-packet(10-18days)