The USB-C charging cable requires a 45W 15V USBC charger. Most phone charger don't meet the requirement, because they don't have 15v output. And some PD power chargers also has no 15v output.
Compatible Model: Microsoft Surface RT, Surface Pro 1/2
If you have any questions, please contact us and we will reply you in 24 hours.
Package Content: 1 * Surface RT 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 PD USB-C Charger is recommended.
Example: A typical USB PD voltage/amperage profiles - 5V/3A, 9V/3A, 12V/3A, 15V/3A
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 15V OUTPUT.