Multiple ports charging test at the same time

33W output power is the maximum output power of the converter socket, but the socket has three interfaces, how to distribute the power when output at the same time, it still needs to be measured. The measured charging power of USB-A2 for Meizu 17Pro is 4.97V 1.89A 9.39W. USB-C charges the Redmi K50 at 5.05V 1.22A 6.15W. The charging power of USB-A1 is 5.0V 1.12A 5.57W for Samsung S22+. The charging power of USB-A2 for iQOO Neo7 was 5.01V 1.56A 2.81W; USB-C charges the Meizu 17Pro at 4.98V 1.60A 7.95W. During the whole charging test of Mi 33W Rubik's Cube Converter Pro, iPhone 14 Pro was selected as the test device. During the whole charging process, the device was placed in a 25℃ incubator, switched on the power and recorded the data. Switch on the power supply, shake the 9V voltage gear; In the first 18 minutes, the power is stable at about 20W; It dropped to around 15W in the 23rd minute and continued to charge until the 31st minute. In the 35th minute, the power drops to about 10W; The 48th minute shakes the 5V voltage gear and then enters the trickle charging until the end of charging. The whole charging process takes about 1 hour and 41 minutes. It can be seen that Xiaomi 33W Rubik's Cube converter Pro charges 60% of iPhone 14 Pro in 30 minutes and 87% in 1 hour. It takes about an hour and 41 minutes to fully fill.