cwerdna
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Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 2:40 am

Jneumark wrote:Image

So it seems like it's in good/decent shape, or what you can expect from a 2015 with 43K miles?

The car is pretty close to losing a capacity bar, from those stats.

As for what to expect, it depends. Any idea where it resided before (via Carfax and/or Autocheck)? If it was in a hot climate, that wouldn't surprise me at all. If it was in the cool PNW, those readings would be way abnormal and unexpected.

This guy is down 1 bar in blazing hot Phoenix with his '15:
viewtopic.php?f=27&t=24407&p=502456&hilit=11+bars#p502456
viewtopic.php?f=27&t=24209&p=499072&hilit=11+bars+satisfied#p499072

My 5/2013 built '13 (no lizard battery yet) SV w/over 47K miles is likely in better shape than your car. SOH is around 84 to 86% and Hx has been around 84.xx%.

If you drive 70 mph, you will get not very good efficiency and range autonomy.

You may want to d/l these two charts from viewtopic.php?t=4295. (All the images are busted due to Photobucket holding them hostage.)
Use this 93% chart for a one year old or more battery that still has all 12 capacity bar segments.

Use this 82% chart for a battery that has 11 of 12 capacity bar segments.

'13 blue Leaf SV w/premium package (owned)
'13 blue Leaf SV w/QC + LED & premium packages (lease over, car returned)
'06 Prius

SageBrush
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Delivery Date: 13 Feb 2017
Location: Colorado

Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 6:29 am

I'll guess the lower Hx is due to the 500+ history of DCFC use, but the more important Ahr and SOH are concordant and show ~ 84% of new capacity. If EPA new range is 84 miles then EPA range on your battery is 84*0.84 = 70 miles. The impression of 50-60 miles range is partly driving habits and mostly appropriate avoidance of driving the battery SoC (charge) down to zero.

OP: you were not scammed, battery is +/- average for an unknown past climate and high DCFC use.
2013 Model 'S' with QC & rear-view camera
Bought off-lease Jan 2017 from N. California with 63.9 Ahr after 22k miles
Car is now enjoying an easy life in Colorado

alozzy
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Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 12:46 pm

Perhaps the dealer has a CarFax report? That should show the history of where it resided over the years.
Vancouver, CA owner of a 2013 Ocean Blue SV + QC, purchased 01/2017 in WA
Zencar 12/20/24/30A L1/L2 portable EVSE
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speedski97
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Location: Whittier Ca

Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 2:06 pm

I wonder is it was one from " My evercar" the car sharing deal for Ubber, that went BK . that is the few leafs I know with 41K in 2 years and the fast charge would match? any idea on the history of the car?

Jneumark
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Delivery Date: 27 Jul 2017

Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 3:39 pm

According to the Carfax it was purchased/resided in Sacramento. Do you know where that car share company was located? Or was it all over? That might make sense.

Sorry for the newbie question, but I'm inferring that a high amount of fast charging is bad for the battery's long term health?

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davewill
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Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 3:45 pm

Jneumark wrote:According to the Carfax it was purchased/resided in Sacramento. Do you know where that car share company was located? Or was it all over? That might make sense.

Sorry for the newbie question, but I'm inferring that a high amount of fast charging is bad for the battery's long term health?

It can be. Depends more on the battery's temperature. QCing does raise the battery's temperature some. A lot of QC's back to back along with hard driving and hot weather could have a bad effect. QCs spread out with time for the battery to cool is not such a problem.
2014 Rav4 EV, Blizzard Pearl White
2011 LEAF SL w/QC, Blue Ocean, returned at end of lease

JohnKuthe
Posts: 111
Joined: Wed Mar 15, 2017 7:49 am
Delivery Date: 22 Mar 2017

Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 3:47 pm

Jneumark wrote:According to the Carfax it was purchased/resided in Sacramento. Do you know where that car share company was located? Or was it all over? That might make sense.

Sorry for the newbie question, but I'm inferring that a high amount of fast charging is bad for the battery's long term health?


Basically that is true. Batteries love slow charging, as it's less stress on the battery material! On the other end of the charging spectrum you can imagine feeding a battery enough charging power to pop the batteries' cells!

John Kuthe...

cwerdna
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Joined: Fri Jun 03, 2011 4:31 pm
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Location: SF Bay Area, CA

Re: Did I get scammed? 2015 S loses battery capacity FAST

Sat Sep 09, 2017 6:23 pm

Jneumark wrote:According to the Carfax it was purchased/resided in Sacramento. Do you know where that car share company was located? Or was it all over? That might make sense.

That explains things. Sacramento gets pretty hot during the summer.

I would say what you're seeing is roughly normal then. If it belonged to a car share program, then it would even further explain things.

The high # of QCs might be due to folks taking advantage of https://www.nissanusa.com/electric-cars ... to-charge/ and https://www.ez-charge.com/faq/. QCing really heats up the battery and if it's already hot out...

'13 blue Leaf SV w/premium package (owned)
'13 blue Leaf SV w/QC + LED & premium packages (lease over, car returned)
'06 Prius

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