Ryaobwu charger It's big tip size 5.5mm 2.5mm, laptop have available in multiple connection sizes ,please buy according to the size of your original charger. If you receive the wrong product, you can contact customer service to it Ryaobwu Specifications: Connector size: 5.5mm 2.5mm; Input: 100-240V 50-60Hz 1.8A; Output: 19V-3.42A; Maximum power up to 65W; 1 AC adapter with power cord. Not fit not fit 4.5mm 3.0mm Ryaobwu Compatibility: Compatible with VivoBook X401 X401A X401U X440L X450C X450CA X455L X455LA X501 X501A X502CA X550 X550C X550CA X550L X550LA X550LB X550LNV X550J X550JK X551 X551C X551CA X551M X551MA X551MAV X751MA X555D X555DA X555L X555LA X555Y Q301 Q301L Q301LA Q400 Q500A Q501 Q501LA Q502LA Q503UA S300 S300CA S400CA S500CA S550 S550C S550CA S550CM S551 vivobook charger Ryaobwu AC adapter compatible with Asus U46E U47A U50A U52F U56E S56CA K50I K50IJ K52F K53E K53U K55 K55A K60I N61J TP500L TP550LA D550CA D550M D550MA D550MAV F502CA F551M F555L F555LA F555UA K