This is an original genuine Microsoft 1631 charger, powers at 36w and outputs 12v 2.58a and is identical to the picture shown and is used for powering and charging mainly the Microsoft Surface Pro 3, but can be used on other models also such as the Surface Pro 4, but do check your specifications, this model has the magnetic snap in connector to charge your surface Pro tablet, as well as a USB 2.0 port, that you can charge a whole host of different USB accessories you may own.

Genuine Microsoft 1631 power supply charger specification:
Power output: 12v 2.58a
Power input 100-240v
Connector type: Magnetic snap in connector
USB 2.0 connection: Yes 1x USB 2.0 port
USB Output: 5v 1a
Total power: 36w
Contents: Microsoft 1631 charger & standard mains lead power cable.
Microsoft model: 1625, 1631
P/n: Ktc hu10042-14079 

• Key points of the Genuine Microsoft 1631 power supply
• Fits Microsoft Surface Pro 3
• Fits some Surface Pro 4s (check spec)
• Free Mains power cable cord
• UK supplier with stock in the UK
• Next day delivery available
• World delivery available also
• USB 2.0 also on charging unit
• Original Surface Pro1631 charger

A standard mains cable power lead cord is included with your Microsoft 1631 power adapter, so you can charge your Surface tablet straight away. If you order from outside the UK we will send your countries correct power cord, if you are travelling then North American and European power cords are available below, along with different specifications of Microsoft ac adapters.