See also Plug In America's list of charging stations. It lists all known charging stations, cheap and expensive, low power to high power, commercial and residential. Plug In America's EVSE Tracker.
If you convert your Roadster to J1772, you'll have a leftover Tesla inlet that can be used to build a Tesla-to-J1772 adapter. It's a work in progress.
<referring to hsharpe "Short and sweet J-1772 adapter" on page 22 of this thread.> That is awesome. So portable. How do I buy one or get components and build one? I presume $200 does not include the Tesla connector ;-) Speaking of which, is there now a source for these, even used?
I've had a number of requests for these so I'm working with a local machine shop to make some for sale. I made the Tesla connector myself from scratch and it was quite labor intensive. In fact the $200 figure did include the connector and the J- plug, but I will have to pay the machine shop more than that just for the connector. It takes up almost no space or weight in the trunk, and much more practical than Tesla's solution. When I have some for sale I'll post it in the for-sale section.
It there's a market, then I'll do the reverse version. Most of the HPC owners I know are buying a Model S if they buy another EV. I realize you are in a different camp. Would you also use it with your existing UMC?
I have no intention of using it with any Tesla EVSEs at all. No sir, wouldn't do a thing like that. Neither would the other EV drivers around here. Just want to put it on the mantelpiece and admire the workmanship...
Some LEAF owners could use a nice mantelpiece as well. (Might as well request 'Supercharger'->CHAdeMO while I am at it.)
Oh, I'm sure that Ingineer will be working on it... Although he'll probably find it easier to simply plug directly into the battery pack.