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Nissan takes steps to address Leaf battery woes

Nissan has announced that it has taken steps to help alleviate worries over the battery packs in its Leaf electric vehicle. The Japanese auto giant announced this week that it intends to replace some underperforming battery packs in Leaf vehicles and it will extend warranty coverage to address battery issues for approximately 18,000 owners of the Nissan Leaf EV within the United States.

The battery pack replacement and change in warranty coverage comes from complaints of battery capacity loss and poor performance by some Leaf owners in warm weather states.

Andy Palmer, Nissan's executive vice president, in an email to owners offering enhanced warranty coverage, said, "With this action, Nissan becomes the first and only manufacturer in the automotive industry to provide limited warranty coverage for battery capacity loss for electric vehicles."

The extended battery warranty coverage will be available for all 2011 through 2012 Leaf EVs and will go into effect this spring. The coverage will address any battery pack that falls below nine bars of the maximum 12 bars available on the vehicle's battery capacity gauge during the first five years of ownership or 60,000 miles of driving.

If the battery packs fall below nine bars before the 60,000-mile mark Nissan will repair or replace the battery at no cost under warranty. Nine bars of capacity on the vehicles charge gauge is about 70% of the batteries original capacity.
Concern over the Leaf’s driving range is one of the main reasons consumer cite for not purchasing an electric vehicle. Nissan has struggled with sales of the Leaf since the car was introduced.

Source: Detroit News

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By StevoLincolnite on 12/28/2012 9:22:53 AM , Rating: 1
From the Article...
Nissan guarantees a battery pack with that least nine out of 12 capacity bars with a full charge


Nissan will repair or replace the battery at him no cost under warranty.

And lastly...
Nine bars of capacity on the vehicles charge gauge is about 70% of the batteries original capacity.

It's 75% to be exact.

RE: .
By aurareturn on 12/28/2012 9:46:42 AM , Rating: 2
It's early in the morning bro. Relax.

RE: .
By StevoLincolnite on 12/28/2012 10:16:57 AM , Rating: 3
It's early in the morning bro. Relax.

Only for some of the planet. ;)

RE: .
By Flunk on 12/28/2012 10:49:45 AM , Rating: 2
Like say... the USA, where most of the staff of this website seem to live?

RE: .
By Bubbacub on 12/29/2012 5:19:17 AM , Rating: 2
there are a lot people from the uk on this site also.

RE: .
By Trisped on 12/28/2012 7:14:11 PM , Rating: 2
A vehicle whose battery has nine remaining bars indicated on the gauge is retaining approximately 70 percent of its original battery capacity.
From The Detroit News:

So the 70% quote is from the original article.
I expect that while most would expect it to be 75%±0.5, it is possible that the gauge is not very accurate. It is also possible that the original article messed up.

This is further supported by a comment on the original article stating:
...but will just be 'improving' the precision of the battery capacity gauge.
which implies a know lack of accuracy with the gauge.

Battery issue
By jharper12 on 12/28/2012 3:11:35 PM , Rating: 3
Shane, I would definitely be interested in a more comparative article. I'm glad this wasn't portrayed in an alarmist fashion, but if the batteries perform significantly worse than the competition then an extended warranty is a band-aid on a deep laceration. Another poster mentioned failure rate data for another manufacturer, I wonder if enough dealer service techs were called if anyone would go on/off the record about failure rates between a few of these different manufacturers. I'm glad Nissan responded though, and I hope that all of the early adopters are well enough taken care of that they don't regret their decision.

By basbrian on 12/28/2012 10:11:22 AM , Rating: 2
"Some" auto makers run diagnostics on their electrical systems at service time which includes battery cell failure. These automakers continuously report highly remote failure rates over the life of a vehicle (less than 1 per thousands of cells). Something is horribly wrong here, and it appears Nissan knows this. Gotta love media spin.

By Slaimus on 12/28/2012 11:01:51 AM , Rating: 2
Nissan really needs another CVT warranty extension. They did one back in 2010, but it looks like they still have CVT issues in the current models.

Count me out....
By rdhood on 1/2/2013 12:46:56 PM , Rating: 2
This is an admission of everything that is wrong about EV cars.

I've been saying the whole battery in extreme temps (high and low) is problematic. This, to me, just proves what I've been saying since before the first EV Leaf hit the road. If you live in San Francisco... you are good to go. Minnesota or the desert southwest? This is just a hobby car. That Nissan extends the warranty to 60,000 miles? I can tell you that resale on an out-of-warranty Leaf just plummeted. This risk that, after 60,000 miles, you will have to purchase a new $15 THOUSAND DOLLAR battery is simply too expensive.

I still drive a 2000 Maxima. It has 225,000 miles. I have spent less than $1500 LIFETIME in repairs on this car. I bought the car 6 months old/used for $17000...only slightly more than the price of a Leaf battery. That Nissan would "extend" a warranty on a 15 thousand dollar battery from 36 months to 60 months might be good for the original owner, but leaves the possible 2nd owner running away... fast.

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