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Discussion Starter #1 (Edited)
Recently I've been searching for a cost effective Level 2 Charger, I searched any & everywhere on how to go about this and what charger I should buy. After a lot of research I discovered that Clarity owners can charge at a much faster rate when compared to your current slow ~15 to ~18 hour level 1 charge time by using your STOCK OE HONDA 120v CHARGER AT 240 VOLTS !

You can fully charge up your Clarity in about ~5 1/2 hours from 0%, all for as little as $20 dollars if you DIY, or $45 dollars if you buy the needed Pre-Made conversion plug.

Your Honda Clarity 120 volt charger will support 240 volt charging without any issues because it's really a DUAL VOLTAGE CHARGER. So I was now on a mission to build my own 25 ft 120v to 240v conversion extension cord based on my personal needs. My conveniently located 240v dryer outlet was a NEMA 10-50R (receptacle) and I needed this to be a little closer to my car, so after taking some measurements I decided on a 25 ft length of the best 10/3 cord I could buy. I went with a 10/3, 10 AWG, SOOW, 600V cable that's manufactured by Southwire here in the USA. I purchased the cable, Nema 5-20P Amp plug, & NEMA 10-50P Amp plug from Ebay, everything was delivered in about one week.

I took my time and studied up on electrical connections, then once everything showed up I moved forward with my 25 ft conversion extension cord build. My build took roughly 20 minutes to carefully cut, trim, and assemble all 3 components together. Now the moment was at hand....Time to go plug it in !

First, I once again carefully examined my current perfect working 120v charger in action. Once I did that I noted my current charge time, now it was truly the moment of truth. I walked over & unplugged my external blue charging handle and put it down, then I unplugged the stock OE charger from its 120v connection & plugged it into my new 240v connection. Everything instantly lit up the same exact way, there were NO fault indicators on the charger. So I walked over & plugged the blue handle of the charger into the charging port, No Issues, No Drama, just a very happy charging light indicator showing everything was great !

FAST ~5 1/2 HOUR CHARGING FOR $20 DOLLARS / SCORE !!!


DIY / Make Your Own $20 Dollar Conversion Plug:

1) NEMA 5-20R (Designed to accept 10 gauge wire) $10 shipped:
www.ebay.com/itm/232900449616?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649&ul_noapp=true

2) 6 Foot 240v (10 gauge wire) Dryer Plug*, $9 NEMA 10-30P:
www.walmart.com/ip/GoGreen-Power-6-...14154978223148794283&affillinktype=10&veh=aff




Rob43


* I use the NEMA 10-30P "Dryer Plug" as my example because this is one of the most common plugs people will have.
 

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I've read somewhere that the Chevy Volt OEM EVSE is able to do the same thing. The OEM equipment is probably able to do 220v, but IF anything goes wrong it might affect the warranty.
 

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Discussion Starter #4
I've read somewhere that the Chevy Volt OEM EVSE is able to do the same thing. The OEM equipment is probably able to do 220v, but IF anything goes wrong it might affect the warranty.

Remember, the EVSE is NOT charging the car, the internal Honda charger is doing that.

Like everyone else, you're not afraid of using a much more powerful 32 amp EVSE; And those are all Non-Honda built units.

If anyone were concerned about charging & something going wrong, we would never plug in at a commercial charger station for fast charging, but that's not the case....


Rob43
 

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Wow, a gutsy move (trying 240V thru the OEM charger) but what a great idea!

Thanks for sharing!
Thanks !

The truth is this: Honda sells cars all over the globe, there are countless different power requirements from country to country. So to keep costs down, Honda uses one EVSE that works for all voltages & is 50/60 Hz compatible.

Once I realized that the Honda EVSE is a worldwide "Standardized" unit, I realized it would work here in the USA at 240v just like it does in Europe at 240 volts.


I've been operational for months, I have hundreds of hours on my EVSE at this point....Working Perfectly.



Rob43
 

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How can you be sure the OEM cord and electronics are really rated for that much electricity? Here is the problem the device is not marked as being a 240 volt device even if it really is. If the device starts a fire regardless if it was related to being on 240 volt or not your homeowner’s insurance will likely refuse coverage. What if someone dies as a result?

For $219 you can get a legitimate certified 240 volt charger supported by a reputable EVSE company, Clipper Creek.
http://amazing-e.com/
 

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How can you be sure the OEM cord and electronics are really rated for that much electricity? Here is the problem the device is not marked as being a 240 volt device even if it really is. If the device starts a fire regardless if it was related to being on 240 volt or not your homeowner’s insurance will likely refuse coverage. What if someone dies as a result?

For $219 you can get a legitimate certified 240 volt charger supported by a reputable EVSE company, Clipper Creek.
http://amazing-e.com/
Good point - homeowner or car insurance company may deny you coverage for a modified charger.

Being the "chicken" I am, I picked up a second hand dual voltage (120 / 240) portable charger (Duosida) for $100:

I like the Duosida because at 120V, the charge rate is 25% faster than the Honda OEM charger at 120V......
 

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Discussion Starter #8
How can you be sure the OEM cord and electronics are really rated for that much electricity? Here is the problem the device is not marked as being a 240 volt device even if it really is. If the device starts a fire regardless if it was related to being on 240 volt or not your homeowner’s insurance will likely refuse coverage. What if someone dies as a result?

For $219 you can get a legitimate certified 240 volt charger supported by a reputable EVSE company, Clipper Creek.
http://amazing-e.com/

A few quick points:

1) No Fault Lights, Ever.

2) EVSE Cold Operational Temps, Always (AS Piictured)

3) Honda Clarity 240 Volt European Model Uses The Same Circuit Board & Parts, 0% Difference


But for someone like yourself, I would tell you to spend ~$219 to make yourself happy....



Rob43
 

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Discussion Starter #9 (Edited)
Good point - homeowner or car insurance company may deny you coverage for a modified charger.

Being the "chicken" I am, I picked up a second hand dual voltage (120 / 240) portable charger (Duosida) for $100
The EVSE it self is certainly not being modified.


Just like everyone's cell phone charger & laptop charger in the USA,....that china built EVSE is a dual voltage unit, smart.

Like I already stated, It saves Honda Millions & Millions of dollars to produce one EVSE that works worldwide.


Rob43
 
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@Rob43,

At least one part is different. The US/Canada 120 volt 15 Amp prong subassembly is most certainly not rated for 2880 Watts (12A x 240 Volts) because no such subassembly exists. The wiring to it may not be the same as well.

Otherwise it is very possible you are correct that all the other parts of the US/Canada models may handle twice the amount of electricity even though they are not labeled to be used on 240 Volts. It is also very possible that even if something were to go wrong while you are sleeping you and your family will be safe and your insurance company will have not any issues with what you did.

It is also possible you are wrong.
 

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Discussion Starter #11
@Rob43,

At least one part is different. The US/Canada 120 volt 15 Amp prong subassembly is most certainly not rated for 2880 Watts (12A x 240 Volts) because no such subassembly exists. The wiring to it may not be the same as well.

Otherwise it is very possible you are correct that all the other parts of the US/Canada models may handle twice the amount of electricity even though they are not labeled to be used on 240 Volts. It is also very possible that even if something were to go wrong while you are sleeping you and your family will be safe and your insurance company will have not any issues with what you did.

It is also possible you are wrong.

Nope, you're wrong...

The plug was the 3rd thing that was examined, it can actually handle much much more.

The only thing that's actually important is that when someone DIY builds their own plug, they should "over" build it with the first two links I provided so they get 10 AWG wire.


Rob43
 

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Nope, you're wrong...

The plug was the 3rd thing that was examined, it can actually handle much much more.

The only thing that's actually important is that when someone DIY builds their own plug, they should "over" build it with the first two links I provided so they get 10 AWG wire.


Rob43
Rob43, I applaud you for making this modification and being so kind as to post your results on the forum for the rest of us to check out. No modification was actually made to the OEM EVSE, so you could still use it in a regular 120v outlet.

If I didn't already have a Zencar 16amp Level 2 EVSE, I might consider it.
 

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Discussion Starter #13
Rob43, I applaud you for making this modification and being so kind as to post your results on the forum for the rest of us to check out. No modification was actually made to the OEM EVSE, so you could still use it in a regular 120v outlet.

If I didn't already have a Zencar 16amp Level 2 EVSE, I might consider it.
Thank you mowcowbell,

Yes you are correct, no modifications were made to the OE Honda EVSE unit & that was very intentional. This way it can be unplugged from its 240v home conversion fast charging plug & taken with any Clarity owner on a trip so that they can use it as a 120v EVSE when they get to there next location.

I actually just made this 6 ft long NEMA 10-50R to NEMA 10-30P pigtail so that when I go on my vacation I can plug into the Airbnbs NEMA 10-30R Dry Plug that's located close enough for car charging. I just tested this out, it works perfectly too!

R= Receptacle
P= Plug


Rob43
 

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Discussion Starter #14
Opps

* Dryer Plug



Rob43
 

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Tried with success....

Disclaimer: not recommending anyone do this, this is the result of my educational experiment.

I have a 220volt outlet in the barn for the charger I purchased to charge my Clarity. This thread got me searching for adapters and I found a universal adapter that converted the 110v plug on the OEM Honda charger to 220v. Plugged in and all works as it should. Triggered charging from the app and the remote with no issues.

The adapter: https://www.amazon.com/gp/product/B077MRTQM3/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

I took a screen shot of my Neur.io app with the charger plugged in with the 110v plug and again with the 220v. You can see the increase of around 1500 watts.

So, for the huge sum of $13 I was able to upgrade my charger from 110v to 220v.
 

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Disclaimer: not recommending anyone do this, this is the result of my educational experiment.

I have a 220volt outlet in the barn for the charger I purchased to charge my Clarity. This thread got me searching for adapters and I found a universal adapter that converted the 110v plug on the OEM Honda charger to 220v. Plugged in and all works as it should. Triggered charging from the app and the remote with no issues.

The adapter: https://www.amazon.com/gp/product/B077MRTQM3/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

I took a screen shot of my Neur.io app with the charger plugged in with the 110v plug and again with the 220v. You can see the increase of around 1500 watts.

So, for the huge sum of $13 I was able to upgrade my charger from 110v to 220v.

Excellent Job !

I bet it feels great to buy into Level 2 charging (~5 1/2 hours) for the insane low price of $13 dollars, especially when most chargers cost $200 plus dollars.

Also, thank you for sharing your link to that very affordable NEMA 5-15R to NEMA 6-20P adapter, what a great price.



Rob43
 

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Disclaimer: not recommending anyone do this, this is the result of my educational experiment.

I have a 220volt outlet in the barn for the charger I purchased to charge my Clarity. This thread got me searching for adapters and I found a universal adapter that converted the 110v plug on the OEM Honda charger to 220v. Plugged in and all works as it should. Triggered charging from the app and the remote with no issues.

The adapter: https://www.amazon.com/gp/product/B077MRTQM3/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

I took a screen shot of my Neur.io app with the charger plugged in with the 110v plug and again with the 220v. You can see the increase of around 1500 watts.

So, for the huge sum of $13 I was able to upgrade my charger from 110v to 220v.
What a great find! I ordered one so I'd have Level II charging available with the OEM unit!

If you order this adapter, you can then use any NEMA 14-50 plug found at any RV campsite... https://www.amazon.com/gp/product/B07HX9JCC4/ref=ox_sc_saved_title_5?smid=A1UO2GJ291VXKR&psc=1

I already use this adapter, as I had a NEMA 14-50 outlet installed in my garage, but my Zencar Level II EVSE needed a NEMA 6-20 connection.
 

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Discussion Starter #20
The adapter I purchased from Amazon works perfectly. I was able to charge my Clarity on 240v using the OEM Honda EVSE.
That's great, all for $13 dollars !

You simply can't beat that. :smile:



Rob43
 
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