cwerdna
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Re: Model year 2013-2014 battery capacity bar losers/losses

Sun Apr 26, 2015 7:13 pm

:oops: Woah. Thanks. I totally forgot about that from over a year ago.

Unfortunately, that person hasn't been back this year.

I wonder if his was a fluke. My '13 Leaf SV (2-year lease began end of July 2013) is at 20.3K miles and still has all its capacity bars. I'm hoping for a positive outcome to my CVRP appeal so that it makes sense for me to extend my lease for another year.

My battery doesn't sit at 100% for long, often is charged to only 80% and on weekends, is often sitting at declining levels of SoC. On weekdays, the car arrives home at night and sits until the morning at usually between 50% to low 80s% SoC.

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adric22
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Re: Model year 2013-2014 battery capacity bar losers/losses

Sun Apr 26, 2015 7:36 pm

There have been very few anecdotal reports of 2013's with capacity loss. The battery was completely redesigned for 2013, but Nissan never specifically mentioned that it would be more heat resistant. And since we don't have any statistical data all we can really go off of are the anecdotes around here. However, keeping that in mind many 2013 models are over 2 years old now. 2 years after the 2011 was on the market, there were lots of people complaining about capacity loss. So it certainly seems the 2013's are going to be more reliable. That may also explain why Nissan has been trying to increase sales. Maybe they were aware the 2011/2012 models were having issues so they were content with smaller numbers of sales.
2013 Blue Nissan Leaf SV
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cwerdna
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Re: Model year 2013-2014 battery capacity bar losers/losses

Sun Apr 26, 2015 7:44 pm

adric22 wrote:There have been very few anecdotal reports of 2013's with capacity loss. The battery was completely redesigned for 2013, but Nissan never specifically mentioned that it would be more heat resistant. And since we don't have any statistical data all we can really go off of are the anecdotes around here. However, keeping that in mind many 2013 models are over 2 years old now. 2 years after the 2011 was on the market, there were lots of people complaining about capacity loss.
It seemed like most of the bloodbath of capacity bar losers on '11 Leafs began once the vehicles entered their 2nd summer but before the 2 year mark. The Phoenix range test (http://www.mynissanleaf.com/viewtopic.php?p=228326" onclick="window.open(this.href);return false;) was done when the Leaf had been on the market for ~21 months, and one of those cars was a 4-bar loser.

http://www.mynissanleaf.com/viewtopic.php?f=30&t=9694" onclick="window.open(this.href);return false; was Tony's chronology, but I noticed what looks like a bad/dupe link for the April 2012 entry (vs. Nov 2011).

Presumably, many '13 Leafs have passed thru 2 summers, like mine, except I live in a more mild climate.
Last edited by cwerdna on Sun Apr 26, 2015 7:48 pm, edited 1 time in total.

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KJD
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Re: Model year 2013-2014 battery capacity bar losers/losses

Sun Apr 26, 2015 7:47 pm

LEAFfan wrote:My 2013 was made in Jan., was already down 4-5% capacity when leased, and lost its first CB at 10 mos./8000 miles/ 54.9 AH. However, it was 15% loss, but now is at 86% capacity.
This was from the same thread that was quoted above.
http://www.mynissanleaf.com/viewtopic.p ... 20#p370953" onclick="window.open(this.href);return false;
2012 SL Delivered 12/08/2011
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cwerdna
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Re: Model year 2013-2014 battery capacity bar losers/losses

Sun Apr 26, 2015 8:07 pm

Thanks for the compilations, so far.

From http://www.mynissanleaf.com/viewtopic.php?f=27&t=11574" onclick="window.open(this.href);return false;, it looks like they started showing up to dealers around Feb 2013, whereas the 1st (MY '11) was deliver Dec 11, 2010 (http://www.engadget.com/2010/12/13/worl ... -the-futu/" onclick="window.open(this.href);return false;).

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baustin
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Re: Model year 2013-2014 battery capacity bar losers/losses

Mon Apr 27, 2015 2:28 am

I've had my 2013 SV for about six weeks. It was a lease return with just over 18k miles, and spent the first two summers in Georgia. LeafSpy shows the Health reading at 89%.
2013 Leaf SV - Cayenne Red - QC Port - LED Headlights

davidcary
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Location: Cary, NC

Re: Model year 2013-2014 battery capacity bar losers/losses

Mon Apr 27, 2015 3:24 am

Not a loser but a data point

24k miles. Purchased 3/13 - first batch of 2013 when west coast didn't have any yet

I tried to be really good the second summer after I learned more. Mostly parking in shade in the summer when I was going to be at one location all day. I also cool the garage a bit.

And then typically use 80% with an end charger setting. No QC port.

I always try to post on these discussions since I have a very early 2013 and drive a decent amount and live in the South (although nowhere near a hot climate).

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RegGuheert
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Re: Model year 2013-2014 battery capacity bar losers/losses

Mon Apr 27, 2015 4:13 am

cwerdna wrote:Presumably, many '13 Leafs have passed thru 2 summers, like mine, except I live in a more mild climate.
I think this is the key point. In 2012, the ONLY LEAFs losing capacity bars were in AZ, CA and TX, with most being in AZ. Those three states which have some very hot areas were chosen by Nissan as three of the seven states where you could buy a LEAF before the summer of 2011. Unfortunately, August 2011 was the hottest August on record in Phoenix with seven days setting record high temperatures for that day.

OTOH, June, 2013, was the second-hottest June on record in Phoenix. But by then, the issues with the LEAF's battery in the AZ heat had been on the local TV news in Phoenix, so I wonder if both the dealers and the customers had lost their taste for the LEAF in those areas. I'm sure there were still some sales in those hot areas, but I doubt there were as many as in 2011 and I doubt they were the types to flock to this forum like many from 2011.

We have ONE pair of datapoints from an owner in Phoenix who bought both a 2011 AND a 2013:

2011: Mfd: ?, Bought: June 2011, Bar lost: Did he ever lose a capacity bar before trading the 2011 in in Feb 2013? I cannot find a report on Wiki or in the forum.
2013: Mfd: Jan 2013, Leased: Feb 2013, Bar lost: Jan 2014

But it is possible that something was amiss with the battery in his 2013, seeing as it was one of the very first off the production line.

So we have two reports of 2013s losing a capacity bar in only one summer, but not much beyond that. This summer will be the third for some of the 2013s and the second for the rest. Perhaps we will learn more this year.
RegGuheert
2011 Leaf SL Demo vehicle
10K mi. on 041413; 20K mi. (55.7Ah) on 080714; 30K mi. (52.0Ah) on 123015; 40K mi. (49.8Ah) on 020817; 50K mi. (47.2Ah) on 120717; 60K mi. (43.66Ah) on 091918.
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edatoakrun
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Leaf Number: 2184
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Re: Model year 2013-2014 battery capacity bar losers/losses

Fri May 22, 2015 8:31 am

I suggest, again, that anyone trying to monitor the actual battery capacity loss, of any LEAF from any MY, DO NOT rely on the LBC.

It is becoming clear that either there was a dramatic improvement in battery design ~with the 2013 MY, or (far more likely, IMO) the LBC was simply altered to report higher gids, and fewer capacity bar losses.

I wonder how long after (or before?) Andy Palmer was harangued by irate-gid-meter-wielding-LEAF-drivers in Phoenix in 2012, that the changes were made?

Given the performance noted below, You have to wonder if the Pessimistic Gauges, may now be overly optimistic...
Busy Wizzy Hits 100,000 Mile Landmark

The Nissan LEAF that sparked an electric taxi revolution in Cornwall has clocked up its 100,000th mile without losing a single bar of battery life*.

‘Wizzy' as it was named by St Austell-based operators C&C Taxis, hit the milestone in the course of more than 25,000 pure electric paying fares and having been rapid charged over 1,700 times.

The distance it's covered since entering service in July 2013 is equivalent to 100 round trips from the company's base in Cornwall to Glasgow, more than four times around the world or almost half the distance to the moon.

But, despite living the same punishing life as any modern day taxi, Wizzy retains near full battery health and, incredibly, is still on its first set of brake pads...
http://www.newsroom.nissan-europe.com/u ... aid=132843" onclick="window.open(this.href);return false;
no condition is permanent

mjblazin
Posts: 241
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Leaf Number: 405999
Location: Dallas, TX

Re: Model year 2013-2014 battery capacity bar losers/losses

Fri May 22, 2015 8:37 am

I am more impressed he is still on his original brake pads.
2013 SL Blue Ocean
Bought used, March 2015 12,764 miles
4th bar drop 56 month, 20,200 miles, AHr at 42.1
Replaced battery.
Appears fully loaded
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