The c 20b03 car charger model can charge two mobile devices with different connectors at the same time. One port is designed for usb c gadgets and provides fast and safe charging using pd technology. The second one with quick charge 3.0 technology is intended for the usb type a connector. Smart ic chips will automatically supply current according to the parameters of the connected device. The adapter is protected from short circuits, overheating, and overcurrent. Fast charging adapter . Usb c port and usb a port. Smart ic technology. 4 types of protection. Input voltage 12 24 v. Compatible with most smartphones, mobile phones, tablets . Usb c port, technology pd 30 w. Usb a port, technology qc 3.0 18 w. Output 1 usb c pd port, dc 5v 3a, 9v 3a, 12v 2.5a, 15v 2a, 20v 1.5a. Output 2 usb a port, dc 5v 3a, 9v 2a, 12v 1.5a