In November 2016, Qualcomm released the Quick charge 4.0 fast charging technology which supports dual parallel charging thereby increasing charging speed by 20% and charging efficiency by 30%. It claims to be able to charge 50% in 15 minutes or even shorter, and it supports USB Type- C, USB PD, Best Voltage Intelligent Negotiation Power Management Algorithm (INOV), Accurate Voltage, Current and Temperature Measurements.
In June 2017, Qualcomm announced the latest Quick Charge 4.0+. The improvements here include a dual power management ICs, intelligent thermal balance, and advanced security features. Qualcomm has released a list of devices that supports Quick charge 4.0/4.0+ couple of months back which shows only Razer Phone.
Now Qualcomm has updated its list of devices that supports Qualcomm Quick charge 4.0+, which includes Xiaomi Mi 8 – device still in rumour mills. Previous report from FCC details that the Mi 8 supports 5V/3A, 9V/2A, 12V/1.5A quick charge protocols topping at 18W maximum output. Xiaomi Mi 8 to be announced on May 31.