On the hunt for a Gan Charger and found this deal on Amazon - can't comment on the reliability unfortunately.
Also comes with a 1.5M C to C 100W Cable.
Power outputs below:
USB-C1 Output: support PPS 3.3V-11V/3A, 5V/3A, 9V/3A,12V/3A, 15V/3A, 20V/3.25A (65W MAX);
USB-C2 Output: support PPS 3.3V-11V/3A, 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.75A (33W MAX);
USB-A Output: 4.5V/5A, 5V/4.5A, 9V/3A,12V/2.5A, 15V/2A, 20V/1.5A (30W MAX).
Pretty sure there's a fire ban in Melbourne for the next couple days, not sure this is appropriate.