Specification of Ugreen Nexode 100W ChargerUSB-C1 / C2 Output: 100W Max, 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5AUSB-C3 Output: 22.5W Max, 5V/3A, 9V/2.5A, 12V/1.88AUSB-A Output: 22.5W Max, 4.5V/5A, 5V/4.5A, 5V/3A, 9V/2A, 12V/1.5AFast Charging Protocol: PD 3.0/2.0; QC 4.0+/4.0/3.0/2.0; 5V1A; 5V/2.4A; AFC; SCP; PPS 25WSize and weight: 2.72 x 2.72 x 1.3 in; 235g/8.29oz Please Note:Generally, we suggest you use the USB C port to charge Apple watch. If you want to to use the USB A port, only C1 and A port or C2 and A port can be used simultaneously.