This is the 65W-90W notebook with, 15V-20V, not all notebooks can be used Oh, according to the notebook's output voltage and interface size to select the corresponding connector, 15 kinds of connectors above the standard V number, The number of joints V are fixed, the number of connectors V, adapter how many V recognition, not to say that will automatically identify your notebook voltage Oh

这款是65W-90W的笔记本用的，15V-20V的，不是所有的笔记本都可以用的哦，是根据笔记本的输出电压和接口大小选择相应的接头，15种接头上面都有标V数，接头V数都是固定的，接头多少V,适配器识别多少V，不是说会自动识别您笔记本的电压哦