KillaWhat
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Re: largest 12v battery in 2013 leaf?

Wed Oct 01, 2014 2:23 pm

LeftieBiker wrote:Trying to solve a phantom power drain with a larger battery is, at best, a band-aid approach. At worst it means wasting an expensive battery and still getting stranded. The best band-aid solution is a battery maintainer, used regularly.


Agree!

Make them solve the problem.
In the mean time, a small REAL battery tender if you need to.
3 years old, NEVER a battery problem, even when misused.
There is a problem.
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BrockWI
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Re: largest 12v battery in 2013 leaf?

Wed Oct 01, 2014 2:53 pm

I do charge the battery at least once a week with a Battery Tender, 1.25 amp 3 stage unit. About every other time it tops off in less than 1 hours and then sometimes it takes overnight to top it off. If my wife tells me she saw the battery symbol or I do I top it off as well. I have a battery tender lead under the charge port for easy access and charging.

While I agree that ultimately I think there is something wrong with the car, after reading that other thread it seems like there is no conclusive evidence as to what is causing the phantom drain and the lack of charge. My theory now is charging with the larger 6kw on-board charger doesn't give the system enough time to top off the battery. That coupled with the weird intermittent 800 mA load on the 12v battery is the problem. I have toyed with the idea of getting a 12v data logger, but honestly it is less expensive to get a better or more appropriate (deep cycle) battery and just charge it once in a while.

My long term hope is Nissan will figure out what is up with their charging parameters and tweak it before I get the next one, or maybe a software update on this car.

I suppose data logging the 12v battery might help my cause to get Nissan to do something about it and I like the idea of actually seeing it logged, but should I take the time and effort or just put a band-aid on it and move forward? That is the real question :)

This is the data logger I was considering

http://www.amazon.com/Lascar-EL-USB-3-V ... ata+logger

I have the temp and humidity one and it works great.
3 kw solar pv - XW6048 - eight L16's
4 ton GSHP - 1 ton ASHP
2003 VW TDI 200k miles - 52 mpg lifetime
EVSE level 2 - Clipper Creek HSC-40
2013 S model with QC package Mar of 2013
lost first bar @ 72k
@90k miles - 54.71Ahr - 83.64SOH - 78.44Hx - 237GID

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JeremyW
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Re: largest 12v battery in 2013 leaf?

Wed Oct 01, 2014 3:16 pm

You should probably get something that measures/logs current instead of voltage...

That current level sounds like a stuck relay. Probably a bad body control module.
Former 2012 SL leasee 6/23/12 - 9/23/15
Former Fit EV leasee.
Now driving Spark EV and Model 3.

BrockWI
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Re: largest 12v battery in 2013 leaf?

Mon Oct 06, 2014 7:47 am

I was out measuring the battery spot, I would think the tray is the same tray as in the Rouge, much lager than the battery in there. The Rouge holds a 35N battery

Leaf - 51R 9.38 x 5.06 x 8.75 500cca
rogue-35N 9.06 x 6.94 x 8.88 640cca

Then my wife said why are we buying a new battery, if it goes, let the dealer deal with it. So I am just going to leave it for now. I am sure I will still top it off like I have been, but not spend the $ on a new battery. I did throw a 12v 9ah SLA in the trunk, just in case...
3 kw solar pv - XW6048 - eight L16's
4 ton GSHP - 1 ton ASHP
2003 VW TDI 200k miles - 52 mpg lifetime
EVSE level 2 - Clipper Creek HSC-40
2013 S model with QC package Mar of 2013
lost first bar @ 72k
@90k miles - 54.71Ahr - 83.64SOH - 78.44Hx - 237GID

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TickTock
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Re: largest 12v battery in 2013 leaf?

Mon Oct 06, 2014 8:01 am

I ended just replacing with a deep cycle AGM (Optima Yellowtop) mainly because I needed it that weekend and it was what the auto parts store carried. It was a perfect fit (not sure if the model in the link is the exact one, though). I would still spend the extra $20 on a datalogger to get to the root-cause, but even if the phantom load is corrected I think a deep cycle is a good idea.

69800
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Re: largest 12v battery in 2013 leaf?

Wed Dec 03, 2014 9:57 pm

pretty good thread here

viewtopic.php?f=30&t=12448
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bluedream42
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Leaf Number: 7673

Re: largest 12v battery in 2013 leaf?

Thu Dec 11, 2014 5:09 pm

You should never have a problem with the 12v battery under any circumstances given how new the vehicle is. You might have a bad 12v battery, bad DC to DC unit or both. A good Leaf technician will be able to figure it out what the issue is.
Now driving Silver 2015 SV w/ QC
retired a 2011 Cayenne Red SL, had only 22,000 mi.

BrockWI
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Re: largest 12v battery in 2013 leaf?

Sat Oct 03, 2015 1:44 pm

After having yet another dead battery situation, this time not a home, I decided to swap the 12v battery. Fortunately I have been carrying a 7 ah SLA and just plugged it in parallel with the 12v battery and everything started right up.

After looking at the small battery in the Leaf it sure looked like a larger battery would fit in that space. I did some measuring and found the space matched the Rogue. So I went ahead and bought a tray for the Rogue, part number 24428-56L00 and a battery hold down for the Rogue as well, part number 244204M800 and a 34N battery, almost twice the capacity of the stock existing battery. I just took the existing battery out, pulled the smaller tray and dropped the larger tray in and swapped out the battery hold down and tightened everything down. The negative terminal was close, but made it by angling the lead a bit, the positive side was fine as it was. I am quite sure that is the rogue tray base in the car :)

I know the 11&12's are laid out differently under the hood, not sure what might fit in there. But this worked well for my 13.

So now I have a larger battery in there. I know it doesn't fix the issue of something draining it, but at least it should last longer under whatever that load is.
3 kw solar pv - XW6048 - eight L16's
4 ton GSHP - 1 ton ASHP
2003 VW TDI 200k miles - 52 mpg lifetime
EVSE level 2 - Clipper Creek HSC-40
2013 S model with QC package Mar of 2013
lost first bar @ 72k
@90k miles - 54.71Ahr - 83.64SOH - 78.44Hx - 237GID

BrockWI
Posts: 758
Joined: Fri Mar 28, 2014 6:28 am
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Re: largest 12v battery in 2013 leaf?

Sun Oct 04, 2015 6:35 am

Here is a pic of the battery in there. I should have taken a before and after, but here it is.

Image
3 kw solar pv - XW6048 - eight L16's
4 ton GSHP - 1 ton ASHP
2003 VW TDI 200k miles - 52 mpg lifetime
EVSE level 2 - Clipper Creek HSC-40
2013 S model with QC package Mar of 2013
lost first bar @ 72k
@90k miles - 54.71Ahr - 83.64SOH - 78.44Hx - 237GID

cwerdna
Posts: 9385
Joined: Fri Jun 03, 2011 4:31 pm
Delivery Date: 28 Jul 2013
Location: SF Bay Area, CA

Re: largest 12v battery in 2013 leaf?

Sun Oct 04, 2015 7:02 pm

Here's my '13 Leaf with the stock 12 volt.
unnamed (3).jpg

(The leaves in the tray were there at the time I bought it used.)

BTW, maybe the negative cable would've fit better if you had a 12 volt where the terminals were closer to the driver's side.
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Please don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

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