Tesla model S UMC with J1772 & JESLA(tm) conversion

[BBQ]

Here is a link to get the JESLAtm 40 amp portable J1772 charging solution for your Rav4 EV:

http://www.myrav4ev.com/forum/viewtopic.php?p=11006#p11006

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My friend did this for me mod. It works 100%.

The UMC comes with a 15A & 50A NEMA connector. I use both @ 240V & draw 12A & 40A from respective outlet. The UMC current draw is controlled by the $45 input adaptor so don't cut it out. Voltage of the UMC input is free swing from 110V-240V 50-60Hz.


(I feed the Tesla UMC NEMA 5-15 connector through a NEMA L6-20P to NEMA 5-15 dongle to get my 12A @ 240V)






Yes, I take 40A out of this NEMA 14-50 wall outlet with room to spare.



Since our RAV4 has the same 10kW on board charger from tesla, I don't see why we cannot use the same model s UMC spec below. Why settle with 9.6kW from leviton fix station when you can also get portability & upto 10kw from "OEM"?

http://www.teslamotors.com/charging#/highpower

 

[fooljoe]

Awesome! Can you post pic #2 with higher resolution? So it looks like you just chopped the wire near the Model S connector and connected a new J-plug. Which J-plug did you get, and from where? And does the UMC cable have 5 wires or just 4?

 

[TonyWilliams]

My friend did this for me....

Since our RAV4 has the same 10kW on board charger from tesla, I don't see why we cannot use the same model s UMC spec below. Why settle with 9.6kW from leviton fix station when you can also get portability & upto 10kw from "OEM"?

Nice to see others doing this. A couple notes, though. Don't cut the power supply end to put on an L6-20/30/50. If you look, there's an extra pin in there that tells the EVSE what amperage to pull from the wall. For 40 amps in the NEMA 14-50 Tesla plug, it measures 9k ohms. Splicing in something else might leave your EVSE dead.

Also, the EVSE has nothing to do with 9.6kW or 10kW, assuming it is rated for 40 or more amps. The difference is the voltage:

9.6kW = 40 amps * 240 volts
10kW = 40 amps * 250 volts
10kW = 36 amps * 277 volts (max volts for charger, amps are reduced even with 40 amp EVSE)

 

[occ]

Very nice!!

Could you share what and where did you get that J1772 connector nozzle?

 

[BBQ]

Awesome! Can you post pic #2 with higher resolution? So it looks like you just chopped the wire near the Model S connector and connected a new J-plug. Which J-plug did you get, and from where? And does the UMC cable have 5 wires or just 4?

Uploaded HD Pic#2.

We use the leviton 30A jack from leviton web page and just chop the cable off. We can't find it anywhere else.

It seems like a 5 wires on UMC cable.

 

[BBQ]

My friend did this for me....

Since our RAV4 has the same 10kW on board charger from tesla, I don't see why we cannot use the same model s UMC spec below. Why settle with 9.6kW from leviton fix station when you can also get portability & upto 10kw from "OEM"?

Nice to see others doing this. A couple notes, though. Don't cut the power supply end to put on an L6-20/30/50. If you look, there's an extra pin in there that tells the EVSE what amperage to pull from the wall. For 40 amps in the NEMA 14-50 Tesla plug, it measures 9k ohms. Splicing in something else might leave your EVSE dead.

Also, the EVSE has nothing to do with 9.6kW or 10kW, assuming it is rated for 40 or more amps. The difference is the voltage:

9.6kW = 40 amps * 240 volts
10kW = 40 amps * 250 volts
10kW = 36 amps * 277 volts (max volts for charger, amps are reduced even with 40 amp EVSE)

Thank you for the correction!

 

[fooljoe]

We use the leviton 30A jack from leviton web page and just chop the cable off. We can't find it anywhere else.

It seems like a 5 wires on UMC cable.

Cool, but aren't you worried about passing 40A through a 30A-rated Jplug? Seems a recipe for disaster...

 

[khaliss]

What's the total cost on this project? I'd love to see a step-by-step build guide on a printable doc (PDF) someday =)

 

[TonyWilliams]

There are sources for official 40-75 amp J1772 handles. I'm not sure they are better than a quality ITT or Yazaki 30 amp one... the pins connecting to your car are obviously the same.

Try www.TucsonEV.com

 

[fooljoe]

There are sources for official 40-75 amp J1772 handles. I'm not sure they are better than a quality ITT or Yazaki 30 amp one... the pins connecting to your car are obviously the same.

Try http://www.TucsonEV.com

Yeah, that's where I got my 70 amp cordset for my CS-60. What else besides the pins would differ in a 70 amp vs 30 amp Jplug? There must be some reason for the different rating.

 

[TonyWilliams]

There are sources for official 40-75 amp J1772 handles. I'm not sure they are better than a quality ITT or Yazaki 30 amp one... the pins connecting to your car are obviously the same.

Try http://www.TucsonEV.com

Yeah, that's where I got my 70 amp cordset for my CS-60. What else besides the pins would differ in a 70 amp vs 30 amp Jplug? There must be some reason for the different rating.

Honestly, I don't know. I have a brand new Yazaki 30 amp J1772, and I might just use that. I'll put it next to the 75 amp ITT that I use with my Clipper Creek.

I ordered two more 70 amp ones from TucsonEV so that I can build a couple of Tesla Model S - UMC's.

 

[fooljoe]

Has any one opened up the Model S mobile connector EVSE box? Or does it look like it'd be impossible to do that in a non-destructive fashion? It seems like that'd be a cleaner way to do this, plus you could keep the Model S cord/connector intact for resale or future use if you decide to put in a Model S inlet or get a Model S.

 

[TonyWilliams]

Has any one opened up the Model S mobile connector EVSE box? Or does it look like it'd be impossible to do that in a non-destructive fashion? It seems like that'd be a cleaner way to do this, plus you could keep the Model S cord/connector intact for resale or future use if you decide to put in a Model S inlet or get a Model S.

I doubt I'll hack mine open anytime soon. You can still use the modified J1772 UMC with the adapter that comes with Model S.

 

[wimbro]

Great information on this forum...thanks for the tips. 2013 RAV4 EV expected delivery by Friday in Hayward. Return trip to Sacramento area is roughly 120 miles. I really like the Model S charging solution. Is this the unit you used http://shop.teslamotors.com/collect...ters/products/model-s-mobile-connector-bundle? Will the J1772 adapter http://shop.teslamotors.com/collections/model-s-charging-adapters/products/sae-j1772 work in conjunction with the Model S charger to eliminate cutting the cord? I plan to install a 14-50 with 50A breaker in garage. Will the above items provide a good charging setup? Any help provided would be greatly appreciated. Thanks.

 

[waidy]

Great information on this forum...thanks for the tips. 2013 RAV4 EV expected delivery by Friday in Hayward. Return trip to Sacramento area is roughly 120 miles. I really like the Model S charging solution. Is this the unit you used http://shop.teslamotors.com/collect...ters/products/model-s-mobile-connector-bundle? Will the J1772 adapter http://shop.teslamotors.com/collections/model-s-charging-adapters/products/sae-j1772 work in conjunction with the Model S charger to eliminate cutting the cord? I plan to install a 14-50 with 50A breaker in garage. Will the above items provide a good charging setup? Any help provided would be greatly appreciated. Thanks.

This 1st link (Universal Mobil Connector) is for model S. Unless you cut the S-handle and replace it with a J-handle, you will not be able to use it for your Rav4EV. Example of such modification is at http://www.waidy.com/images/UMCwJhandle001.jpg

The 2nd link J-1772 connector is for Model S's inlet to connect to a J-1772 charging station.

 

[wimbro]

Thanks for the clarification. I plan to purchase the Model S UMC ($480) plus 14-50, 5-15, and 10-30 adapters ($45 each) from the factory service center tomorrow. Then the J1772 plug for a little cord modification. Seems like a very flexible and portable 40A charging solution for $615 and change. Thanks.

 

[miimura]

Great information on this forum...thanks for the tips. 2013 RAV4 EV expected delivery by Friday in Hayward. Return trip to Sacramento area is roughly 120 miles. I really like the Model S charging solution. Is this the unit you used http://shop.teslamotors.com/collect...ters/products/model-s-mobile-connector-bundle? Will the J1772 adapter http://shop.teslamotors.com/collections/model-s-charging-adapters/products/sae-j1772 work in conjunction with the Model S charger to eliminate cutting the cord? I plan to install a 14-50 with 50A breaker in garage. Will the above items provide a good charging setup? Any help provided would be greatly appreciated. Thanks.

When you go to pick up the car, make sure to select the Extended Charge mode and have them put it back on the 240V EVSE at the dealership. Do this as soon as you arrive and check out the car - before you go to do paperwork. Otherwise, you will have to stop for up to 2 hours along the way to charge enough to make it home. You may still have to stop, so check http://www.plugshare.com and plan several places along the way to charge. You can see my experience with a long drive home from the dealership here.

 

[TonyWilliams]

To go 120 miles, full charge as suggested (call the dealer and step them through it). They need to turn on the car, then turn it off (it's dumb), then a screen will pop up. Select "Extended Charge" and "Charge Immediately" if that button is present (that means the timer is set).

Then, drive 55-60mph home. Since it can get brutally hot in Sacto, I won't tell you to go without air conditioning. Steady, 55-60, that's it.

You should make it home.

 

[wimbro]

Sweet!!! My wife and I are excited. Thanks for the help.

 

[wimbro]

I plan to swing by the Tesla factory service center in Fremont for the UMC and adapters before the dealer. However, obtaining a 70a J1772 plug from TucsonEV or another source prior is not feasible. Does anyone in the bay area have a "spare" 70a plug for sale?