Replacement for Microsoft Surface Pro 3 Pro4 (Conroe i5?? i7 versions) Power Supply - RC2-00001.??With 1.7 FT(0.5M) power cable?? totally almost 6.6 FT length</br>Input: AC100-240V (worldwide use) Output: 12V 2.58A 36W</br>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.</br>Magnetic snap-in power adapter charges Surface</br>Automatic thermal?? overload cut-off?? and short circuit protection</br></br>Product Description</br></br>INPUT:100-240V~1A??50/60Hz <br>OUTPUT:12V--2.58A;5V--1A <br>This is 36W Power Supply and power up Surface Pro 3 while you work.The 36W Power Supply quickly recharges the battery. <br>Magnetic snap-in power adapter charges Surface. <br>36W Power Supply for Microsoft Surface Pro 3 - RC2-00001</br><br/>http://www.amazon.com/gp/product/B01MZXTFUT