Amazon.co.jp: UCTRONICS USB C PoE Splitter Gigabit, PoE to USB-C 5V/4A Power Supply for Raspberry Pi 4 or above, 802.3at Power over Ethernet to USB Type-C Adapter : Computers
Amazon.co.jp: Geekworm Raspberry Pi 4 USB-C (Type C)電源アダプター、5V 4A 20W、 Raspberry Pi 4 /Orange Pi 5/5B/5Plus /KVM-A3/KVM-A8/NASPi/Jetson nano 2GB/X735/X728/X708/X703適用 : パソコン・周辺機器
Electronic Circuits: USB 5V 4A Car Charger using 78S05 with PCB
20W 5V 4A Power Supply (High Quality) – ThinkRobotics.com
ELEGIANT Powered USB Hub 3.0, 8/10 Port 5Gbps USB Data Hub, 1 USB Smart Charging Port, USB Splitter with Individual On/Off Switch and 5V/4A Power Adapter, Usb Hub for Laptop, PC, Computer -