SiKER 65W AC Adapter Battery Charger for Asus X551 X 551CA X551MA X551MA-DS21Q X551MA-RCLN03 INPUT :100-240V, 50-60Hz, Output: 19V, 3.42A 65W Inner diameter - 2.5mm Outer diameter - 5.5mm. Compatible : PA-1650-01,ADP-65DB,ADP-65HB,PA-1700-02,SADP-65KB,LC-T2801-006,PA-1480-19Q Package: 1x Ac adapter & 1x Ac power cable Features 100% Brand New Replacement AC ADAPTER , with 1 year warranty