MDW Replacement 5.5x2.1mm Dc Charger Adapter Cable for Surface Pro 3 - Small Cable, Portable, Take This Adapter in Your Bag and Charges Your Pro 3 Anywhere That Has a 12v Power Supply 5.5x2.1mm DC female connector to surface pro 3 charger cord adapter length:about 60cm BE SURE TO USE 12V POWER SUPPLY FOR YOUR SURFACE PRO 3 ! NOT 19V only include the charger cable adapter, no include the entire power supply or any other stuff small & portable, not need to carry the original power supply always compatible with most 12V power supply with a 5.5x2.1mm DC male connecotr