What's the difference between USB PD3.1 and USB PD3.0?

The USB-IF Association released the latest USB PD3.1 fast charging standard, the charging power has been increased from the original 100W to 240W, and supports a maximum voltage output of 48V. But many people do not know the difference between PD3.1 and PD3.0 .
The difference is sorted out for you below:
 

The evolution of the USB charging standard
Time	Standard	Interface	Protocol
2010	USB BC 1.2	USB Type-A	5V/1.5A
July 2012	USB PD1.0	USB Type-A/B	-
Aug 2014	USB PD2.0	USB Type-C	5V 3A, 9V 3A, 15V 3A, 20V 2.25A, 20V 2A, 20V 5A
Nov 2015	USB PD3.0	USB Type-C	5V 3A, 9V 3A, 15V 3A, 20V 2.25A, 20V 2A, 20V 5A
Feb 2017	USB PD3.0 PPS	USB Type-C	5V 3A, 9V 3A, 15V 3A, 20V 2.25A, 20V 2A, 20V 5A  PPS: 3.3V-5.9V 3A, 3.3-11V 3A, 3.3-16V 3A, 3.3-21V 3A, 3.3-21V 5A
May 2021	USB PD3.1	USB Type-C	5V 3A, 9V 3A, 15V 3A, 20V 2.25A, 20V 2A, 20V 5A  PPS: 3.3V-5.9V 3A, 3.3-11V 3A, 3.3-16V 3A, 3.3-21V 3A, 3.3-21V 5A  EPR: 28V 5A, 36V 5A, 48V 5A  AVS: 15-28V 5A, 15-36V 5A, 15-48V 5A

 
In summary: to compared with USB PD3.0, USB PD3.1 increases the scope of application of the fast charging standard. In addition to charging mobile phones, notebook computers and other consumer products, it can also be used for monitors, servers, power tools, security POE power supply, etc. realizing the vision of "everything can be charged".
 
Follow the market demand , Zonsan is launching PD3.1 charger 140W , 240W with 1-5 ports for wall charger and desktop charger both , let’s keep updated more ...