> Anyone have a solution to this quandary other than a full bms?
Half pack voltage monitor. Lee Hart proposed this years ago and a
slight modification and installing a volt meter that reads double the
input voltage will give the half pack voltage difference. The chance
of cells in each half of th
t;http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
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Dan Baker wrote:
Thank you everyone for the replies so far- as hoped lots of fantastic info!
So it sounds like Cor's idea and Marco's drawing are my best bet. So I
guess my only other question would be around this charging scheme is would
I need to regulate the charge control once the EV pack
Yes, I think it is a good idea.
I did get me 8 pcs of 26650-size LiFePO4 cells, 3Ah (peak/k2/dlg -ev cells)
Just by using 4 or 8 cells and playing with loggers and multimeters, charging
/discharging at differewnt rates and temperatures, different rates and time at
end of charge and so on, all
On 22 Apr 2014 at 9:06, tomw wrote:
> I also agree with Jukka's other comment regarding new people. That is a
> critical time, when you don't know what you are doing, have no experience and
> understanding from repeated measurements on your cells.
This is the reason that when I decided to try li
I also have 180Ah CALB SE (blue) cells. 32k miles, 4 1/2 years, over 1k
cycles, no noticeable change in range (but no quantitative discharge to
measure capacity with powerlab8 or similar). Still can drive about 75 miles
mixed highway/city. I first had a defective bms, then no bms, then minibms
wit
t; > > > > manufacturer, are really happier with the results. No more stagnant
> > at
> > > > rest
> > > > > loses that you have experienced. Look at what cells are used in the
> > > > popular
> > > > > plugin cars th
y don't even recognize their one year warranty. You
> wonder
> > > why
> > > > you are having problems, wake up and smell the coffee.
> > > >
> > > >
> > > >
> > > > --
> > > > View this message in context
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gt;
> > >
> > >
> > > --
> > > View this message in context:
> > >
> >
> http://electric-vehicle-discussion-list.413529.n4.nabble.com/self-discharge-of-CALB-180Ah-LiFePO4-cells-tp4669067p4669069.html
>
ric Vehicle Discussion List mailing list archive at
> > Nabble.com.
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Christie Park in Emeryville, subject to be Side-by-side
Comparisons of several EVs.
EVs in parking lot after meeting.
www.ebeaa.org
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I do not have personal experience with those cheaper batteries, as it
has always been my experience that you get what you pay for.
If I had a 96V EV that I was going to sell, having a working pack will
increase the resale price, I might consider going with a less expensive
battery.
But many have
http://evfleetworld.co.uk/news/2014/Apr/MG-hints-at-electric-city-car-for-Europe/0438014001
MG hints at electric city car for Europe
16 Apr 2014 by Alex Grant
[image
http://evfleetworld.co.uk/news/2014/Apr/images/0438014001-6946-Dynamo003_jpg-320.jpg
Dynamo concept is based on the Roewe E50 E
NHTSA investigating Bosch Power Xpress 240V EV chargers for fire risk
http://www.torquenews.com/1080/nissan-leaf-fire-blamed-faulty-charger-nhtsa-investigates
Nissan LEAF fire blamed on faulty charger, NHTSA investigates
By Aaron Turpen 2014-04-22
Another electric vehicle fire, this time invol
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