Finally got all the ducks in a row and am charging at the Honolulu Zoo as I write this post.
I moved the 110 charging port to a location behind the rear license plate, where I added a hinge.
Here is the new 220 charging port.
Plugged in.
Installed a switch to go from 110 to 220
Can you say spaghetti?
The idea is that each power strip can supply two power supplies. Presently I have 2 pairs, but plan to expand to 3 pairs for faster charging. The power strips come with their own breaker which is a nice safety feature.
I changed out the 12 v charger and the 12 v power supply for the fan for models that automatically switch from 110 to 220