Ryaobwu 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. Please double-check the Connector size before placing the order. 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 not 4.5mm 3.0mm Ryaobwu Part Number:ADP-45BW B ADP-65BW B ADP-65DW B ADP-65GD B ADP-65JH BB ADP-65WH EXA0703YH EXA1203YH EXA1208UH PA-1700-02 PA-1650-01 PA-1650-66 PA-1650-78 PA-1650-93 0A001-00040500 laptop charger Ryaobwu Compatibility: A52F A53E A53U A53S A54C A55A U56E U46E U47A U50A U52F S56CA K50I K50IJ K52F K53E K53U K55 K55A TP500L TP550LA D550CA D550M F502CA F551M F555L F555LA F555UA K501UW K550CA K550LA R503U R510C R510CA R510L R554L UL30A V550C X55C X55D chromebook charger Ryaobwu Compatibility: Compatible with VivoBook X401 X