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A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
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Not true, we charge to 5vdc per cell all the time for dragsters and don't
have any degradation or fires.
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gt; Mobile and
Google Phone
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-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 585-6737 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Mobile and
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The total charge of 4.2vdc is not going to reduce the life span of the
batteries unless left at that voltage for a long period of charge. Tesla's
are charged using the super charger to maximum of 4.2vdc, but the
recommendation is to drive it as soon as possible so as to not leave the
voltage at
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If you are going to buy a car, the first criteria is that you like the car
more than the others you looked at. Too many buy because its cheap, bad
decision. Who wants to drive a cheap car they don't like, a fool.
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So, how does the car computer know when the battery is discharged? I can
understand the estimated range might be affected by not doing a full
discharge occasionally. But what about the bars or other state of charge
reading? Is that determined also by an amp-hours in, amp-hours out
comparison?
Bob,
I believe at 50 or 55 MPH constant level road you see about 12kW draw.
Since the pack is almost 400V, this means about 30A.
EVs typically are driving for about 1-2% of the time, for the rest they
are charging or resting.
But this is irrelevant - there is no relation between driving current
Depends on what you mean. If you mean to never charge until you always
get down to 10%, then that is a bad idea. But if you are meaning to
always charge (top-off) after every use, and then *occasionally* do the
discharge to 10mi followed by a full charge, then absolutely, that is a
best way to
Or you can follow the advice of an engineer from Tennessee that Tom True talked
to -
"The final recommendation from him was to discharge the pack to 10 miles or so
in range (according to the instrumentation), and fully recharge about once a
month to "refresh" the battery"
Which totally contradicts
Thanks folks
So if the Leaf charges at the 100% setting to 4.12vpc and 80% to 4.05vpc and
battery university says max life of 2k cycles is at 4.00vpc then I should
change my charge cut off at 80% for daily short trips of 15 miles typical.
Plus since balancing occurs all the time there's no
Wow!
> the Leaf BMS will still be balancing the cells[all the time],
> [because] it has only 10mA balancing capacity...
What then is the nomimal discharge current on level ground at 50 MPH? My
SWAG guess might be 10 amps? That means only about 0.1% balancing
capability? Maybe Im missing
Mark,
The Leaf charges to approx 4.12V as "100%" (LeafSpy shows this around
actual 90% real SoC - not always consistent, I have seen 89% and over
91%) and to approx 4.05V as "80%" (again, sometimes closer to 4.04 and
sometimes closer to 4.06V)
The lowest that I have ever seen my Leaf SoC was just
Mike Brown via EV wrote:
I am looking for a manual for a Russco SC-18-120 or SC-18-120 SO
charger. Photocopy would be fine. I would be happy to pay postage &
copying, or even the loan of a manual that I could copy myself and
return. Please respond off list if you can help.
What do you need to
Hi folks
It looks like in NMC lithium charging to 4.2 vpc is 300-500 cycles or to 4.1 is
600-1000 cycles or 4.0 is 2400-4000 cycles. Certainly overcharging is bad but
I've seen other studies on high mileage Leafs in England that were 100% charged
that showed little degradation after 50k miles.
I am looking for a manual for a Russco SC-18-120 or SC-18-120 SO
charger. Photocopy would be fine. I would be happy to pay postage &
copying, or even the loan of a manual that I could copy myself and
return. Please respond off list if you can help.
Thanks!
Mike Brown
gt;
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Web: www.seattleeva.org
206 524 1351
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Read EVAngel's EV News at http://evdl.org/evln/
Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/
group/NEDRA)
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glass is
merely tw
ly recalibrates "bars" to manage their warranty threshold.
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, the glass
is
merely twice the size that it needs to be! -TNT'82
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gel's EV News at http://evdl.org/evln/ Please discuss EV drag
> racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
>
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across New Zealand through ...
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For all EVLN EV-newswire posts
{brucedp.0catch.com}
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Let's try that *with* the link:
https://techcrunch.com/2016/09/29/tales-from-a-tesla-model-s-at-200k-mil
es/
Cor van de Water
Chief Scientist
Proxim Wireless
office +1 408 383 7626Skype: cor_van_de_water
XoIP +31 87 784 1130private:
Here is the article about the 200k mi Tesla (in 1 year)
Note that Tesloop is actually aiming at putting 400k mi
on their cars each year, so the 8 year warranty on battery
and drivetrain would give them ~3 million miles under warranty...
Their website has a blog with a few of the details, including
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