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Hi all,

I am looking for the CHAdeMO or SAE control (handshake) specifications as we are building our own 50kw low cost DC charger. Is it a closed specification? If so where is the best place to access this or can we just purchase the control boards?

If anyone has any ideas that would be great, also I know Tesla has released a lot for their patents but has the handshake for the supercharger been released?

Thanks.:)

Leigh.
 

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Ever so very interested in this! I know the OP was from 2017, but does anyone have any leads on such a project reaching completion? I've seen a lot online of starting this.

I have a 400A 3 phase power source at a warehouse I can use. Just can't afford the $35k for a unit. I'm near the NYS thruway and Rt 81 in Syracuse, great spot for a L3 as we have none in the area.
 

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I have a 400A 3 phase power source at a warehouse I can use. Just can't afford the $35k for a unit. I'm near the NYS thruway and Rt 81 in Syracuse, great spot for a L3 as we have none in the area.
If you intend to give the public access to this charger then you'll need to get the device listed which will cost a lot more then $35k.

If this is for your own use then build a stack of Tesla chargers and use the open source controller (see here)... hopefully later in the year we will get our stack working :D
 

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I'd love to make a publicly accessible station- but I'm pursuing some possible options on that front. If those don't pan out, I could still find a lot of benefit for me personally to be able to have a L3 there. My brother has a Leaf and does a lot of delivery driving around town, my mother has an i3 (though I know CCS is hard to figure out). Thanks for the link!
 
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