1 port: USB-A1/A2 Output: 5V=2.4A in total(2.4A Max Per Port) USB-C1/USB-C2 Output: 5V=3A/9V=3A/15V=3A/20V=3.35A (67W Max Each Port) 2 port: USB-C1+USB-C2 Output: 45W Max+20W Max or 30W+30W USB-C1/USB-C2 +USB-A1/USB-A2 Output: 45W Max+12W Max USB-A1+USB-A2 Output:15W Max 3 port: USB-C1+USB-C2+USB-A1/A2=30W Max +20W Max +12W Max USB-C1/C2+USB-A1+USB-A2 Output: 45W Max+15W Max 4 port: USB-C1+USB-C2+USB-A1+USB-A2=30W Max +20W Max +15W Max C1 or C2 is not specified. C1 or C2 automatically allocates power based on the device type