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eddiebo924
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Conditioning Your Battery / Keeping as Healthy as Possible

Sat Oct 13, 2018 8:52 am

How do you do it?

I've been on this forum for a while now but I don't think I've ever seen a thread (I did search but didn't see one) that has all the best ways to keep your battery in tip top shape.

I've heard that if every once and awhile you take a longer drive and then charge up with a Quick Charger it will help out. What else do you guys have?

Thanks!
2015 LEAF SL / 30 Solar panels on the roof keeping the LEAF charged
Eddie B.
Firestone, CO

LeftieBiker
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Sat Oct 13, 2018 1:05 pm

There are many topics on charging behavior, and a few on battery temperature. These together constitute how to keep the pack healthy.
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powersurge
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Tue Oct 16, 2018 4:17 am

I don't think that there are ways to "condition" or improve your battery..... Batteries are like living.... The less you abuse, the longer you will live….

flydiver
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Tue Oct 16, 2018 7:48 am

In general try to keep the charge between 20-80%.
Do not charge to 100% and let it sit a long time (days), particularly if it's hot.
Try to never go all the way to [Turtle], and if you get the battery really low try to charge it up > 20% soon unless it's hot. Over discharge can be a killer.
Try to keep the battery temps down. Heat is a significant enemy. Charge when cool if you can. (110v is so slow that part probably doesn't matter)
Once in awhile do charge to 100% if you are going to immediately use it enough to pull the battery down a fair amount. Helps balance the cells.
You have to charge until all the dash lights go out to balance the cells. Occasional balance is good.

FWIW, I see no reason that quick charging all by itself is ever a benefit for the battery, though it certainly can be a benefit for you. Quick charge will heat a battery. If the battery is already hot from outside temps and use it just adds to the heat problem. Certainly QC if you need to but don't think that's going to help out your pack.

As [powersurge] said, you can't really 'condition' it (it's not a NiCad). You try to not abuse it. Use is different from abuse.
Last edited by flydiver on Thu Oct 18, 2018 10:10 am, edited 1 time in total.

WetEV
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Tue Oct 16, 2018 10:03 am

flydiver wrote:FWIW, I see no reason that quick charging all by itself is ever a benefit for the battery,


DCQC can increase the REPORTED by LeafSpy available Ahrs and SOH, in pre-2018 LEAFs but there is no good reason to suggest that a DC quick charge actually increases the available Ahr or increases the State Of Health(SOH).
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Nubo
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Thu Oct 18, 2018 9:00 am

Occasional full cycles can help; i.e., running quite low and then full charge. It doesn't physically improve the battery at all, but it does help better calibrate the control unit to the battery's actual state. Personally I wouldn't deliberately "turtle" the car for this, but I think VLBW is reasonable.

If you're one to normally under-charge the battery then it does help to occasionally let the charge run to completion, and continue to sit on the plug for some time (hours) to allow a full cell-balancing. Applies mostly to older LEAFs that allow 80% charging, or to people who habitually take pains to avoid full charges.
I noticed you're still working with polymers.

DaveinOlyWA
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Thu Oct 18, 2018 10:08 am

eddiebo924 wrote:How do you do it?

I've been on this forum for a while now but I don't think I've ever seen a thread (I did search but didn't see one) that has all the best ways to keep your battery in tip top shape.

I've heard that if every once and awhile you take a longer drive and then charge up with a Quick Charger it will help out. What else do you guys have?

Thanks!


The only real rule is charge no more than you need. If you drive a lot, then charge to full. If you don't, then charge to whatever level fits your needs and covers your comfort zone.

The rest is basically beyond your control. Batteries want to live in the middle. That is not practical. Batteries like to be at just below room temperature. That is also not practical.

Now we can morph this into "what Nissan should have done was..." or not. We already have more than enough of those conversations going on and I see little reason to add another.
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tesleaf
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Sat Nov 03, 2018 8:27 am

If heating up the battery is what we try to avoid, trickle charging to 80%ish would be the best.
But i am still amazed how Tesla owners data show hardly any degradation of their batteries after 100k miles.
2015 Leaf S w/ QC . I have Leaf Spy Pro.

DaveinOlyWA
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Sat Nov 03, 2018 9:55 am

tesleaf wrote:If heating up the battery is what we try to avoid, trickle charging to 80%ish would be the best.
But i am still amazed how Tesla owners data show hardly any degradation of their batteries after 100k miles.


I think 10% is the medium for them. Realize its hard to notice that small a difference when you have 250+ miles AND customizable charging options.
2011 SL; 44,598 miles. 2013 S; 44,840 miles.2016 S30 deceased. 29,413 miles. 2018 S40; 11,987 miles, 485 GIDs, 37.6 kwh 110.89 Ahr , SOH 96.00, Hx 115.22
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Stanton
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Re: Conditioning Your Battery / Keeping as Healthy as Possible

Sat Nov 03, 2018 1:04 pm

tesleaf wrote:If heating up the battery is what we try to avoid, trickle charging to 80%ish would be the best.
But i am still amazed how Tesla owners data show hardly any degradation of their batteries after 100k miles.


That's because Tesla's have a TMS...which reduces temperature extremes.
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