It’s a start , Voltmeter/dual usb and another dual usb...waiting on my Hobie thru hole kit to arrive and scupper mount . 
Have my fuse block and now am wondering what else I want to add to it now. I would like some lighting but think that will be a battery in front hatch and power button ran somewhere else on side of kayak next to seat.

 

 

This looks cool. What do you use usb for? Where is your phone mount?

To charge phone, go pro and anything that may end up with me. Phone gets snapped to a phone hoster that’s clipped onto my PFD.