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
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-----Original Message-----
From: EV [mailto:[email protected]] On Behalf Of Cor van de
Water via EV
Sent: Tuesday, October 04, 2016 11:28 PM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] To fully charge or not to fully charge that
isthequestion
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 an
early
front motor replacement under warranty.
Cor van de Water
Chief Scientist
Proxim Wireless
office +1 408 383 7626 Skype: cor_van_de_water
XoIP +31 87 784 1130 private: cvandewater.info
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-----Original Message-----
From: EV [mailto:[email protected]] On Behalf Of Cor van de
Water via EV
Sent: Tuesday, October 04, 2016 2:06 PM
To: Willie2; Electric Vehicle Discussion List
Subject: Re: [EVDL] To fully charge or not to fully charge that is
thequestion
Willie,
Not dynamically, just a one-time upgrade (dealer visit required).
Many Leaf owners who lost the 4th bar and thought they qualified
for the
warranty battery replacement were miffed to see the dealer really
enforcing the Nissan requirement that the warranty will only be
honored
after the mandatory re-calibration of the 12 battery bar gauge.
Most
owners found out that after re-calibration their earlier 4 bar
loser no
longer showed 4 bars lost so they no longer qualified unless they
would
again see 4 bars lost on the re-calibrated gauge. The first bar
does not
disappear until 15% is lost and each subsequent bar should stand
for
6.25% so in theory you need a battery degraded to just over 66% of
nominal capacity to qualify if the gauge will indeed drop to 4 bars
right at that point. But reports I have seen of Ah capacity
degradation
suggest that the loss of the 4th bar happens later.
I found it significant that Leafs can lose more than 40% capacity
in
about 50k mi while some Tesla drops only 6% in 200k mi.
Of course this is only one sample with a specific usage pattern,
but I
highly doubt an expansion of the samples will give different
results,
we'll see.
Cor van de Water
Chief Scientist
Proxim Wireless
office +1 408 383 7626 Skype: cor_van_de_water
XoIP +31 87 784 1130 private: cvandewater.info
http://www.proxim.com
This email message (including any attachments) contains
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-----Original Message-----
From: EV [mailto:[email protected]] On Behalf Of Willie2
via EV
Sent: Tuesday, October 04, 2016 11:18 AM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] To fully charge or not to fully charge that is
the
question
On 10/04/2016 12:29 PM, Cor van de Water via EV wrote:
> on the battery as the Leaf *does* degrade its battery by 40% to
approx
> 60% capacity in approx 50k mi in warmer climates (that is the
point
> where Nissan gives a warranty battery replacement, even though
they
> promised 70% but re-calibated the battery to lose the 4th bar
around
60%
> capacity and triggering the warranty if it occurs within the
warranty
> limits for time and mileage.)
When I first got my Leaf, I was astonished at how crappy the
instrumentation is/was. Coming from the conversion world, I
expected to
see, or find out, how much energy went into the battery and how
much
came out. Instead, I had these twelve "bars". Unacceptable
granularity.
Later, I found the "bars" were not even of equal value.
After some pondering, I came to the conclusion that Nissan did
things in
that way to hide information from their customers. What other
explanation could there be?
Even more astonishing is how Leaf owners accept the situation and
speak
of almost meaningless "bars". I'm not surprised to learn that
Nissan
dynamically recalibrates "bars" to manage their warranty threshold.
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