Relocating 12v to small cubby, any kits available?

[Red Hot Sloth]

I plan on installing a Redarc Brake Controller.

I will most likely mount it in the 12v location but I would like to keep the 12v and was thinking I could put it into the small space below.
I’ve been searching for some parts to make it a clean install but am coming up short. It would be nice to find a USB or better a duel USB to go into the left side of that space. I would even accept using the entire space if theres something that would fit well and functionally sound. I’m probably not looking in enough places (Amazon) with the correct search terms.
Does anyone know of anything or have any ideas that I could use that will give a clean install?

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[Mr._Bill]

Look in the Towing section. There are a few who have fashioned metal plates to install things there. I would look at a plate to install the Redarc there and leave the 12v where it is.