Hipro for Acer 19v4.74a 5.5x1.7 New Original Laptop Ac Adapter 90w 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 x1 Logistics:E-packet(10-18days)