The power-accessory OEM Volta has revealed that its next product is to be the GIGA, a charger of the ultra-compact gallium nitride- (GaN) based variety. There will be 2 variants of this product: one rated to charge at up to 130W and one for up to 200W. The company notes that it will be available as an Indiegogo campaign reward soon, at potentially substantial discounts over retail.
https://www.notebookcheck.net/Volta-previews-the-GIGA-a-new-compact-USB-type-C-GaN-charger-set-to-launch-via-Indiegogo.556243.0.html