Anker PowerLine USB-C to DC cables charge older laptops with USB-C
DC Jack to USB C Converter - Micro Robotics
Amazon.co.jp: USB C to DC Power Cable - Universal 65W Type C to DC Charging Cable PD Cord - 4.92ft PD Power Cord for Use with Router, Light Cat, Audio Fan, Electric
65W USB C to DC Charging Cable DC Jack 4.5 x 3.0 mm for HP Laptops