Microsoft Surface 65W Power Supply Overview The Surface 65W Power Supply easily snaps into place and offers quick charging of your Surface Pro, Surface Book and Surface Laptop products. It has been designed exclusively for Surface products and is designed to match the look and feel of them. While the 65W Power Supply is re-charging the battery of your Surface product. It is also possible to connect other devices to the USB port for charging at the same time. Reasons to buy Microsoft Surface 65W Power Supply Official Microsoft accessory Fast charging of Surface products Re-charge other devices connected to a USB port Microsoft Surface 65W Power Supply Specification Compatibility Surface Book, Surface Laptop, Surface Pro 6, Surface Pro, Surface Pro 4, Surface Pro 3 Wattage 65W AC Dimensions (L/W/H) Power Supply: 3.54 x 1.97 x 0.98 in (90 x 50 x 25 mm) Weight Power Supply: 0.55 lbs. (250g) Connector type USB 2.0 Connector (5W)C8 AC Connector