ThinkPad 用 45W AC 變壓器，適用於多個型號。 - 產品類型：AC 變壓器 - 輸出功率：45W - 適用型號：ThinkPad X1 Carbon (2014, 2015, 2016 型號), ThinkPad T440s, T450, T450s, T460s, T550, X240, X240s, X250, X260, Yoga 12, Yoga 260 等 - 連接器類型：圓形連接器 感謝您的瀏覽。