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Re: Duosida EVSE

Posted: Thu Sep 07, 2017 10:48 am
by GdB
JoeS wrote: probably more due to instrument tolerances, although maybe the newer i-MiEV might have it's power draw dialed down slightly.


These power meters are much more accurate than the 14% difference between 12A and 14A.

http://documents.ekmmetering.com/EKM-Omnimeter-Pulse-v.4-Spec-Sheet.pdf
EKM Omnimeter accuracy class 0.5%


However the Efergy sandage used may be off by a lot, or could be accurate to 1% if the voltage is measured and input into the device...:

https://www.amazon.com/Efergy-Elite-Wireless-Electricity-Monitor/dp/B003XOXU02
You have to measure the voltage and then program it into the device. Power factor is not taken into consideration. This is not a super accurate device but is good enough to give you a ballpark measurement for home use.


http://mapawatt.com/2010/04/16/efergy-e2-energy-monitor
They don't have a voltage connection and therefore do not sense voltage. Voltage is entered in the display. These are really current meters that don't measure kw or even volt X amps. The accuracy will be very bad with motor and transformer loads. Also inaccurate with voltage changes.

Re: Duosida EVSE

Posted: Thu Sep 07, 2017 4:09 pm
by sandange
Thanks for you feed back
The meter is the Efergy Elite Classic wireless Monitor with in home display.
I believe this meter is accurate enough for this application.
I got it so that I can monitor my power consumption of my EVSE

JoeS, you got me interested in measuring wall to wheels, Power used to odometer.
This makes sense to me since I've always kept records for our Honda fit (ICE) gas pump to odometer.

It's a little more difficult to track with the Miev's limited range since
I'm charging too often in the wild.
I'm preparing for tracking our future longer range EV
requiring very little charging out of house.

Thank you both , I'll sleep better knowing I'm safe charging L1 with this EVSE

Re: Duosida EVSE

Posted: Wed Sep 13, 2017 7:16 am
by mannyaguilar
So after all the technical info and measurements considerations, what would be the general consensus?

A) OK, its good enough, just make sure you keep an eye on it and keep it well ventilated or

B) Do not buy, do not use or

C) On the fence but I would rather buy _____ that's only $100 more (if such thing exists).

Newbie here! Just last Sunday (9/10/17) bought a 2012 i-MiEV SE (fully equipped) with 27K miles. VEry happy camper here!

Re: Duosida EVSE

Posted: Wed Sep 13, 2017 8:17 am
by GdB
The Duosida's are great in that they allow 240V or 120V.

The 16A model is good low cost option for charging 240V up to 16A at home. This avoids the 120V 14A or 16A charging issue.
http://www.e-zencar.net/charging-mode-2-16a/

After I bought the 16A version I found out about their better version, about $200 more, but much more capable,. It's a bit less portable due to heavier cable which does not add much value to using with the i-MiEV.
http://www.e-zencar.net/product/evse-32a/

They are great price and capability, but not sure about long term reliability. I saw a used 16A model sell for $60 on ebay due to not working. Maybe water damage, the seller said a fuse, but they have no fuse.

Re: Duosida EVSE

Posted: Thu Sep 14, 2017 4:27 am
by mannyaguilar
GdB wrote:The Duosida's are great in that they allow 240V or 120V.

The 16A model is good low cost option for charging 240V up to 16A at home. This avoids the 120V 14A or 16A charging issue.
http://www.e-zencar.net/charging-mode-2-16a/

After I bought the 16A version I found out about their better version, about $200 more, but much more capable,. It's a bit less portable due to heavier cable which does not add much value to using with the i-MiEV.
http://www.e-zencar.net/product/evse-32a/

They are great price and capability, but not sure about long term reliability. I saw a used 16A model sell for $60 on ebay due to not working. Maybe water damage, the seller said a fuse, but they have no fuse.


Thank you for the response. Would you buy directly form e-zencar or ebay? I contacted e-zencar inquiring about pricing and got a response in broken english asking what type of connector and length of cable for them to be able to quote. I am guessing they are located abroad and dealing with them would not be as easy as to work with a USA based seller.

Thanks again!

PS I see you have a Zero motorcycle. I have a couple motorcycles and I would like to get a Zero. How is it?

Re: Duosida EVSE

Posted: Thu Sep 14, 2017 5:46 am
by GdB
mannyaguilar wrote:
GdB wrote:PS I see you have a Zero motorcycle. I have a couple motorcycles and I would like to get a Zero. How is it?


It's perfect for commuting. I really like it. Many advantages to ICE motorcycles. Range is easy to extend a lot in a pinch, by drafting and slowing down. Once I calculated I was getting 450MPGe following a wide truck in the HOV lane for 5 miles. I did not feel like risking passing between lanes. But I mostly drive a constant 85 (getting 180 MPGe) with the speed limiter in custom mode, which helps avoid tickets and thermal protection speed limiting. Otherwise eco and sport mode can be used. Cheaper to commute, due to lower fuel and maintenance expenses.

Complaints:
Suspension adjustment came too hard from factory for my 175lbs. Much better now after changing shock settings.
My 2014 has no ABS option, but that was part of the special discount deal I got, which is no longer available.