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2013 S - 80 or 100%?

Thu Aug 25, 2016 11:55 am

Hello leaves,

I just picked up a 2013 S this past month and have had a great time owning it. I do need to be cognizant and plan out my travel plans but it hasn't been too bad. We've even driven over 150 miles during the day. :)

I've been reading and some speculate that the battery in the 2013 was updated and that starting 2014, they got rid of the charge percentage option. For those of you that own a 2013, do you charge up to 100%, 80%, or a mix of the two? I've been doing as some here suggested which is charge to 80% during the week and 100% during the weekends.

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Re: 2013 S - 80 or 100%?

Thu Aug 25, 2016 12:07 pm

I generally only charge to 80% but will go to 100% if I anticipate my travels will need the extra range. I've also been using 100% when I have easy access to free public charging, figure I might as well fill it up when the gas is free ;) I guess at a minimum I'd like to charge to 100% to balance the cells at least every couple weeks or so.
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Re: 2013 S - 80 or 100%?

Thu Aug 25, 2016 2:11 pm

thanks for the response! It'd be great to do 100% all the time but I'm like you charging to 80% "just in case"

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Re: 2013 S - 80 or 100%?

Thu Aug 25, 2016 2:27 pm

80% unless more is needed. Same with my Leaf-powered Vectrix scooter.
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Re: 2013 S - 80 or 100%?

Thu Aug 25, 2016 7:35 pm

bigbluebear wrote:thanks for the response! It'd be great to do 100% all the time but I'm like you charging to 80% "just in case"

Keeping the charge level between 20% and 80% is best for extending the life of the battery. It does need periodically charged to 100% to balance the cells. Charging to 100% every day is not a problem, as long as you drive the car within a few hours of when charging finishes. Leaving the battery charged at 100% for extended periods of time, especially in hot weather, is not good for the battery.
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Re: 2013 S - 80 or 100%?

Wed Nov 16, 2016 9:48 am

2013 SV, 21,xxx miles. I always fill it up to 100% for a few reasons

1. We always drive it within an hour or 2 after that charge
2. With the 8 year battery warranty I kind of want to wear it down rather than take it easy on it. My thinking is "let's beat this thing up now rather than nurse it along so that it never quite hits the warranty replacement number of bars".
3. Not sure if it matters or not but we only charge with 110v
4. Our Leaf was manufactured very late in 2013 (Dec) so I think we got the new battery formula/chemistry

Currently holding steady at 12 bars

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Re: 2013 S - 80 or 100%?

Wed Nov 16, 2016 1:41 pm

Unfortunately, we don't have data on degradation effect of leaving it at 100%. We know it is worse than leaving it at 50% but don't know how much worse. So the advice of others is good - only charge to 100% when you need a full charge and don't let it sit at 100%. We just don't know how much it matters.

Also unfortunately, we don't know how many different battery chemistries there are/were. Did they change sometime in 2013? Or in mid 2014? Or when? Did they change it again and not tell us? Was there a change in 2012 that no one knew about?

From Nissan's perspective, we don't have any need to know and telling us these details would invite more questions. Heaven forbid that we should be informed consumers and know what we are getting. :-)

But realistically, if they switch from one maker to another on any part in the car, the buyer really has no need to know. They probably change brake pad vendors, bolt vendors, bumper vendors, etc, more often than we would like to know, for quality, cost and delivery reasons. When you buy replacement parts, you might find part numbers with a "-1" or "-2" suffix and are told that they are the same part. Yea, right, then why did the part number change?.

In an EV, the battery is far more fundamental. Changing battery vendor or battery recipe is a big deal to geeks like us but Nissan isn't trying to appeal to geeks. They are trying to appeal to the average car buyer. To the average consumer, it's a car with an engine (electric motor) and a fuel tank (battery), limited range, low maintenance, and a tax rebate.

I think Nissan would sell many more Leafs if they did market to more technology-aware folks. Give lectures at universities to budding engineers about what's inside and how it works. Exploit social media with technical information as well as marketing. Then watch EV sales soar to the huge community of people just coming out of college, many buying their first car or first new car.


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Re: 2013 S - 80 or 100%?

Wed Nov 16, 2016 3:21 pm

I charge to 100%. I also let it sit that way overnight. Read the stories about people just missing the battery warranty, then decide if you want to "baby" the battery. If nothing else it allows me to never really look at capacity remaining on normal days.

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Re: 2013 S - 80 or 100%?

Wed Nov 16, 2016 3:31 pm

I don't charge to any more than I need if the battery pack gets above 80F (use leafspy to check actual temps, doesn't track outside temps directly).

I charge to 80% in the fall/winter/spring when I'm not worried about battery temps.

I charge to 100% only on rare occasions (not worried about 100% just don't need it). Charging to 100% isn't an issue if the battery is cold and you drive away without letting it sit at 100% more than a few hours.
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Re: 2013 S - 80 or 100%?

Sat Nov 19, 2016 7:30 am

Very easy: if you don't hit low battery warning do not charge above 80%.
If you hit very low battery warning it is better to charge more than 80%.

Charge to 80% as soon as you like. Charge to 100% as late as possible.
Best practice would be going on a trip just before you hit 100%. 95% is perfect.

Going below battery warnings will heat battery faster each mile driven.
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