russellv
Posts: 6
Joined: Wed Jul 10, 2013 2:03 pm
Delivery Date: 10 Jul 2013
Location: Bay Area, CA

Re: CHAdeMO bi-directional

Sat Nov 25, 2017 10:09 pm

Marktm wrote:
RegGuheert wrote:
russellv wrote:Also, I can verify that only MY2013 and newer works with V2H in US/EU markets.
That counts me out.


Is it possible to upgrade firmware/software/CAN protocols so that the 2011/2012 models are CHAdeMO compliant with bi-directional energy flow? If not, is there hardware replacments that can accomplish this?


It's possible in theory, but not in practice. Software needs to be written and likely to be buggy.

greenbrg
Posts: 3
Joined: Mon Jan 15, 2018 5:33 am
Delivery Date: 06 Jan 2018
Leaf Number: 408851

Re: CHAdeMO bi-directional

Mon Jan 15, 2018 7:54 am

https://www.chademo.com/portfolios/nichicon-6kw/

I sent them an email to Nichicon to see how much it costs etc... Will see.

russellv
Posts: 6
Joined: Wed Jul 10, 2013 2:03 pm
Delivery Date: 10 Jul 2013
Location: Bay Area, CA

Re: CHAdeMO bi-directional

Mon Jan 15, 2018 11:13 pm

A couple of years ago, the Nichicon was around 650,000 yen (~$6000USD)

They had one on display at CES this year making coffee.

https://www.autocar.co.uk/sites/autocar ... k=wG_DUKap

The 3kW Setec one was $2500 so seem to run around $1/watt. Be interested to see if you get a response.

User avatar
JeremyW
Posts: 1530
Joined: Sun Nov 13, 2011 12:53 am
Delivery Date: 23 Jun 2012
Leaf Number: 19136
Location: San Gabriel, CA

Re: CHAdeMO bi-directional

Tue Jan 16, 2018 8:17 am

2011/2012 leafs only support charging via the 0.9 spec. 2013+ use 1.0 spec with V2H provisions and can supply power out. There probably exists an update for the 2011/2012s in Japan for the Nissan Leaf2Home unit. I remember reading about needing a firmware update for those cars in order to use it back when it was released. Good luck getting it over here though!

Does the Seatech unit need a 12v supply or otherwise have onboard power? In order to start the V2H session, there needs to be 12v supplied by the unit (along with CAN communications and precharging the HV bus).
Former 2012 SL leasee 6/23/12 - 9/23/15
Now driving Honda Fit EV, License plate: CHADEMO
2000 Honda Insight for long trips

russellv
Posts: 6
Joined: Wed Jul 10, 2013 2:03 pm
Delivery Date: 10 Jul 2013
Location: Bay Area, CA

Re: CHAdeMO bi-directional

Tue Jan 16, 2018 9:48 pm

JeremyW wrote:Does the Seatech unit need a 12v supply or otherwise have onboard power? In order to start the V2H session, there needs to be 12v supplied by the unit (along with CAN communications and precharging the HV bus).


You are correct - it needs external power. I took apart one of the Setec Power units and there is a DC power supply in there that enables the the start of the V2H session.

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