Female USB C to Male DC 5.5x2.1mm Barrel Adapter 90 Degree - 20V - Adafruit 6033
Works great with any device or cable with 5.5mm / 2.1mm DC barrel socket. Since USB C is reversible you can flip it for a left angle or right angle. You'll get 20V DC output, at up to 3A (or whatever the power adapter can do).