Compatible Model: Our 65W mini Microsoft Surface charger compatible with Microsoft Surface Pro 3; Microsoft Surface Pro 4 i5 i7; Microsoft New Surface Pro 5; Microsoft Surface Pro 2017; Microsoft Surface Laptop; Microsoft Surface Book;Surface Go.(Note: It is not compatible for Surface 2, pro 1/2 or Surface RT) Power SPECS: Input:100-240V 50-60HZ; Output:15V 4A 65W (44W,36W,24W compatible); Microsoft power Adapter charger for 65W 15V 4A 1706 charger; 44W 15V 2.58A 1800 charger; 36W 12V 2.58A 1625 charger; 24W 15V 1.6A 1735 1736 charger. Ultra Lightweight Charger: Microsoft Surface Pro charger has a smooth finishing. 2X smaller and 0.4X lighter than the original charger.Compact and Mini that makes it easy to carry in your pocket or handbag.