rawhog
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Thu Mar 24, 2011 12:30 pm

Ingineer,
With the following post in mind, I have a question. If we can upgrade to the 6.6kW charger, how will that affect your modded evse?

Maybe now people will believe me......

Though well on its way to joining the Dodo, one of the internal combustion engine's advantages over its plug-in competition is refuel time -- it only takes a few minutes to gas up, but you're talking hours for an EV to top off its batteries via a standard 220 / 240-volt socket. This fact is not lost on Nissan, as it just revealed plans to offer a higher-rate charger in its 2012 Leaf -- the current model's 3.3kW charger needs eight hours to power up -- in order to better compete with the Ford Focus Electric's three to four hour charge time courtesy of its 6.6kW. And all you early adopters won't be "orphaned," as 2011 model Leafs can be retrofitted with the new electrics -- no word if Daddy Warbucks will be footing the bill.

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Ingineer
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Thu Mar 24, 2011 12:44 pm

rawhog wrote:Ingineer,
With the following post in mind, I have a question. If we can upgrade to the 6.6kW charger, how will that affect your modded evse?

Maybe now people will believe me......
It will not affect it at all, it will still charge at 12A on 120v or 240v yielding roughly 1.4kW or 2.8kW respectively. The EVSE tells the car what the maximum amps it should limit charge to, and a 6.6kW charger will still obey this.

Personally, I don't lend much credence to ABG's posts, as they are often full of hype. Until Nissan itself officially announces a 6.6kW charger, I am not going to buy into rumors.

Unfortunately, upgrading the existing Leaf's Charger is non-trivial. It's a lot of parts, wiring, and labor. I don't see it happening! (see my investigation here)

-Phil
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garygid
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Thu Mar 24, 2011 1:04 pm

I will use the web form to let you know when I am ready for one.

However, I thought others would want to know about your modified spare (no exchange) L1/L2 EVSE (and its price) even if you have them available only occasionally, or perhaps only by appointment. :D

This non-exchange "Spare/Backup" EVSE is not (yet) listed on your site, so many will not know think to ask you about it.

Cheers, Gary
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Ingineer
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Thu Mar 24, 2011 1:47 pm

garygid wrote:I will use the web form to let you know when I am ready for one.

However, I thought others would want to know about your modified spare (no exchange) L1/L2 EVSE (and its price) even if you have them available only occasionally, or perhaps only by appointment. :D

This non-exchange "Spare/Backup" EVSE is not (yet) listed on your site, so many will not know think to ask you about it.

Cheers, Gary
The price is $699 (when in stock). We will eventually get it added to the site, we just were waiting for more stock to arrive first.

-Phil
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Ingineer
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Thu Mar 24, 2011 1:48 pm

Several people have recently asked me questions on extension cords. First off, for future questions, please ask them here in the forums instead of sending me email or a PM, that way everyone gets to benefit from the answers.

You can probably extend the EVSE's 24 foot range an additional 30 feet if you use a good quality L6-20 extension cord made with a minimum of 12AWG cable. One such source for these cords is here. That is a 15 foot extension, which will give you up to almost a 40 foot reach (with the EVSE's cord) or you can get 2 and that will give you almost 55 feet.

I don't recommend you exceed this distance without moving to a heavier gauge cordset, such as at least 10awg. Otherwise your charge time will increase, and you (or some poor soul) will be paying for electricity that never makes it to your car, and is instead heating up the cord. Also: if the voltage drop is too much, the Leaf will stop charging altogether!

-Phil
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Adrian
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Sun Mar 27, 2011 10:21 pm

I received the upgraded EVSE from Ingineer about a week ago and have only used it at work in 120V mode until yesterday. Friday night I built a NEMA 10-50 adapter using Home Depot parts and was able to enjoy 240V charging with my portable (now L1/L2) at my father-in-laws house. Like everyone else has already said, it works great! Thank you Ingineer for offering this.
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DaveinOlyWA
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Mon Mar 28, 2011 8:47 am

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nader
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Mon Mar 28, 2011 11:55 am

Ingineer wrote:Question: If I were able to offer an additional upgrade level for the EVSE to a selectable 20A, would it be worth it?

I did some more digging, and I believe with some time investment I could update the unit's software such that we could add a user selectable current. (up to 20A)

All the components in the EVSE are rated to 20A, so this is possible w/o any additional hardware modifications. The Leaf would only pull ~16A on 240v, but it might pull more on 120v if permitted so that would be a reason to go over 16A. (I'll have to test this)

The time investment would be significant, so wanted to gauge interest. If you are interested, what would it be worth to you?
Still reading through all 48 pages of this thread so I am not sure what the outcome is but I would be interested. I have a 20amp 120v outlet in my garage that ismbegging to be used.

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GeekEV
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Mon Mar 28, 2011 1:19 pm

On a 120v outlet this mod is of little value to you. It's only useful if you have access to a 240v outlet.

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nader
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Re: Nissan L1 EVSE third-party upgrade to both 120V and 240V

Mon Mar 28, 2011 5:14 pm

Based on your other post about adapters (very helpful btw) it looks like you can convert a dedicated 120v outlet to a 240v by swapping wires to create 2 hot wires. Is that possible? I imagine there would be wiring changes at the service panel too.

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