Microsoft Surface 65W Power Supply - 65 W - 120 V AC, 230 V AC Input - 5 V DC Output

Snap in the versatile 65W Power Supply and power up Surface Book, Surface Pro 3 and Surface Pro 4 quickly while you work. Made exclusively for Surface and designed to match the look and feel of your Surface, the 65W Power Supply quickly recharges the battery, while the USB port allows you to charge another device at the same time.