Egoway 48W 12V 3.6A Power Adapter Charger for Microsoft Surface Pro 1 Pro 2 and Surface RT with USB Charging Port, fits Model 1536 and 1512 Replacement for Microsoft Surface Pro 1, Pro 2 and Surface RT, Power Supply 1536, 1512. With 1.7 FT Power cord Input: AC100-240V, 50/60Hz (worldwide use); Output: 12V 3.6A 48W. Additional USB Port: 5V 1A USB 2.0. The USB port allows you to charge another device such as your phone at the same time. Magnetic snap-in power adapter charges Surface. It works with Microsoft Surface Pro1 and Pro 2 and surface RT. Warranty: 12 Months warranty, 30 days money return guarantee, 24 x 7 email support.