■ Product Description This is a genuine adapter for ASUS Zenbook, TransBook, VivoBook, and other models. Input: 100V-240V～1.5A 50-60Hz Output: 19V-3.42A Plug size: 5.5 x 2.5mm Compatible models: Seems to be compatible with A550C. Please note that we do not accept returns or exchanges under any circumstances due to the recent increase in product swapping and return fraud. ※ Search terms X551CA X551M X551MA X550LA X555LA Asus ADP-45BW ADP-65JH BB EXA0703YH PA-1700-02 PA-1650-78 ADP-65GD B PA-1650-01 EXA1203YH 0A001-00040500 PA-1650-93 K50IJ K52F K53U K55 K55N A52F A53S A54C U46E U47A U50A U50F U52F U57A U81A Ul30A S46CA S56CA X44H X53U X54C X55A X55C X75A D550C F502C F555L K550L R503U R510C R510CA R510L R554L Q501L Q502 Notebook Q301 Q301L Q301LA Q400 Q400A Q500A Q501 Q501L Q501LA Q502L Q502LA S300 S300C S300CA S400C S400CA S500C S500CA S550 S550C S550CA S550CM S551 V500C V551 V551L X401 X401A X401U X501 X501A X502C X502CA X550 X550C X550CA X550L X550LA X550LB X550LNV X551 X551C X551CA X551 Voltage...16V～