Kissmart&reg; Mobile Power Charging Cable For Microsoft Surface RT Pro Pro 2 Window 8 10.6 This cable fit for your surface RT/PRO with special power bank The Surface RT mobile power output current 12V/2A; Surface PRO Mobile Power output current 12V/3.6A. Cable total length is about 1.2M (3 Feet) DC size is 5.5 x 2.5mm Easy to fit and remove