The USB-C charging cable requires a 45W 15V USBC charger. Some PD power chargers has no 15v output.Compatible Model: Microsoft Surface Pro 7/6/5/4/3 Surface Laptop1/2 If you have any questions, please contact us and we will reply you in 24 hours. Package Content: 1 * Surface PD USB-C Charger Cable===BEFORE YOU ARE TO CHARGE YOUR SURFACE PRO=== ===PLEASE READ REQUIREMENT OF POWER SUPPLY === ===MAKE SURE YOUR CHARGER IS PD COMPATIBLE === Check the output power and voltage: 15V output is must. 45W or greater is recommended. Example: A typical USB PD voltage/amperage profiles - 5V/3A, 9V/3A, 15V/3A, 20V/2.25A Kindly remind: 18W, 24W and 29W MAY NOT WORK. If your USB-C charger came with your phone or pad, IT WILL NOT WORK. MOST USB-C CHARGERS WILL NOT WORK BECAUSE MOST MODELS DO NOT SUPPORT 12V or 15V OUTPUT.About Macbook power adapter Some PD power chargers has no 12v or 15v output, some new models have. Here is the list: A1540 (29W) output: 5V/2.4A 14.5V/2A NOK (insufficient power for surface Pro but works with surface go and surface pro m3 model) A1882 (30W) 5V/3A 9V/3A 15V/2A 20V/1.5A NOK (insufficient power for surface Pro but works with surface go and surface pro m3 model) A1718(previous 61W) 5V/2.4A 9V/3A 20.3V/3A NOK (no 15V/12V output) A1947(New 61W) 5V/3A 9V/3A 15V/3A 20.3/3A OK A1719(87W) 5.2A/2.4A 9V/3A 20.2V/4.3A NOK (no 15V/12V output)
