1. What is qc3.0 fast charging protocol
Qc3.0 is the third generation fast charging protocol launched by Qualcomm. Qc3.0 charger is a charger using Qualcomm quick charge 3.0 fast charging technology.








2. What is PD fast charging protocol
PD fast charging protocol is a fast charging specification formulated by usb-if organization. It is one of the mainstream fast charging protocols at present, and the usb-pd fast charging protocol used here is output through type-C interface.








3. So can these two fast charging protocols be universal?
Although the Android camp has its own fast charging technology, qc3.0 is compatible with them.Since most Android phones on the market use Qualcomm chips, naturally Qualcomm qc3.0 can quickly charge Android phones.We all know that iphone8 and above support fast charging, so can qc3.0 charger fast charge iphone8? The answer is No. although charging is faster than 5v1a, you can't turn on
 fast charging for iPhone.The PD charger is an all-round fast charge. It can not only fast charge models above iphone8, but also compatible with qc3.0 charging protocol to fast charge mainstream Android phones in the market.