If 15 W isn’t enough for your device, let’s see how we can get you beyond. USB-C power supplies always support 5 V and some are limited to that, but support for higher voltages is where it’s at.
USB-C to HDMI cables are common, but most don’t incorporate power delivery ... but then you’ll need to supply your own HDMI cable. Anker’s solution simplifies things, and while the version ...