Power supply 45W for Asus Zenbook & Vivobook 19V | 2.37A | Connector 4.0mm x 1.35mm | High Quality Certificate This 45W power supply is the perfect replacement for modern Ultrabook and Notebook Asus. Designed to provide energy stability and maximum safety, it is compatible with the popular Zenbook, Vivobook and Transformer Book series. Thanks to the 4.0mm x 1.35mm precision connector, it guarantees a secure graft and fast and constant charging. Main Features Efficiency Certificate: Compliant with CE, FCC and RoHS standards for total protection against overvoltage, overcurrent and short circuit. Total compatibility: Perfectly replaces the original Asus codes such as ADP-45AW, EXA1206CH and AD891M21 . Ideal to carry in bag or backpack, perfect for those who work in mobility. Premium materials: Resistant cable and flame retardant shell for long duration over time. Compatible Product Codes (P/N) Replaces the following part number: 04G26B001250, 0A001-00330100, 90XB34N0PW00000Y, 90-XB34N0PW00000Y, 90-XB3NN0PW00010Y, AD891M21, ADPAP-40TH, ADP4512AW, ADP-45AW, EXAW UX-400 ? Asus Transformer Book Flip: 300, T300LA, TP500, TP500LA, TP550, TP550LA-CJ146H-12, TP550LD, Trio, TX201, TX201LA. Asus Taichi: 21, 21-DH51, 21-DH71, 11.6-inch Touch.