QC3.0 Fast Charging Max Output: 18W. QC3.0 output: DC 5V=3A, 9V=2A-3A,12V=1.5-2.5A. PD Fast Charging Max output: 20W. PD output: DC 5V/3A, 9V/2A, 12V/1.5A. Since the iPhone series does not support fast charging, charging the iPhone is the normal speed.
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