BiggieJohn
Gold Member
Posts: 35
Joined: Sun Mar 27, 2016 8:43 am
Delivery Date: 25 Mar 2016
Leaf Number: 019136

Re: 2012 SL with range collapse

Sat Apr 09, 2016 7:39 am

epic wrote:why didn't you just return the car to CarMax the next day after purchase?How is round rock Nissan?that is where I leased my 2012 from.not impressed with counter service personel.Never have had a failure on the leaf so the car itself outshines them.
the other thing just to get them after my 1st terrible free battery check .the next time I'm ready for them.so,i go in ok I'm here for the battery check .What is needed at this point.he gives me a list of about $400 of non-needed stuff that was required. including the FREE battery check Nissan gives you.So, he plays real dumb and confused .Off course I pull up my email from Nissan .then I explain non of this is recommended OR required service for the car.Then to sturr things up (after pick up on last free check they hand me a bill ).I state I want in writing there will be no bill on my pick up===BOOM I hit a hot spot.the more I think back --ya ,wouldn't use or recommend them to anyone I liked.


I was willing to deal with Nissan since it was still under 60,000 miles,

I'm not impressed with Round Rock Nissan, but it was the only choice I had given the range issues.
In the future I will probably take it somewhere else.
2012 SL Nissan Leaf Glacier White #019136
2015 Chevy Volt summit white #07978

User avatar
JeremyW
Posts: 1517
Joined: Sun Nov 13, 2011 12:53 am
Delivery Date: 23 Jun 2012
Leaf Number: 19136
Location: San Gabriel, CA

Re: 2012 SL with range collapse

Sat Apr 09, 2016 9:08 am

I opted back in when Nissan gave us the opportunity.
Former 2012 SL leasee 6/23/12 - 9/23/15
Now driving Honda Fit EV, License plate: CHADEMO
2000 Honda Insight for long trips

User avatar
JeremyW
Posts: 1517
Joined: Sun Nov 13, 2011 12:53 am
Delivery Date: 23 Jun 2012
Leaf Number: 19136
Location: San Gabriel, CA

Re: 2012 SL with range collapse

Sat Apr 09, 2016 9:16 am

You're having 12 V battery issues too? I didn't keep it on a tender when I wasn't driving it, but I did add water at some point and charge it before I dropped it off. Consider replacing it if it's giving you trouble. The leaf doesn't take good care of it on it's own (read up on it here).

The first summer it was in Sacramento, the rest in Southern California. With the Texas heat you should still qualify... hopefully... even with the new cell.

If you don't mind me asking, how much did you pay? My pay off residual was $17,500. :lol:

Oh btw you have 3M crystalline tint which is awesome and there is all the connections (battery, switched power, and audio) for a subwoofer still tucked in the trunk under the plastic hump where the charger is. If it still has the Juke wheels, it should have MXM tires on it which are awesome and a lot of fun. I was super busy at work during the summer that I didn't drive the car and it was cheaper for me to work extra overtime than try to find a set of original wheels and tires (burned through the first tires fast and sold the first set of wheels due to no space). The standard EVSE is upgraded to 16 amps (non-adjustable) and should hopefully be still with the car.
Former 2012 SL leasee 6/23/12 - 9/23/15
Now driving Honda Fit EV, License plate: CHADEMO
2000 Honda Insight for long trips

BiggieJohn
Gold Member
Posts: 35
Joined: Sun Mar 27, 2016 8:43 am
Delivery Date: 25 Mar 2016
Leaf Number: 019136

Re: 2012 SL with range collapse

Sat Apr 09, 2016 12:02 pm

JeremyW wrote:You're having 12 V battery issues too? I didn't keep it on a tender when I wasn't driving it, but I did add water at some point and charge it before I dropped it off. Consider replacing it if it's giving you trouble. The leaf doesn't take good care of it on it's own (read up on it here).


I replaced the battery the first day I had the car, wasnt holding a charge, random lights on the dash when I powered it up.
Battery was dropping to 12.4V with just the cabin lights on, so it was time for a new one. I still need to check with carmax on reimbursement for that, they should have checked the 12V battery.

JeremyW wrote:The first summer it was in Sacramento, the rest in Southern California. With the Texas heat you should still qualify... hopefully... even with the new cell.

If you don't mind me asking, how much did you pay? My pay off residual was $17,500. :lol:


$9,998 with 10 bars I thought it was a decent price, will see how many miles I can get on a full charge

JeremyW wrote:Oh btw you have 3M crystalline tint which is awesome and there is all the connections (battery, switched power, and audio) for a subwoofer still tucked in the trunk under the plastic hump where the charger is. If it still has the Juke wheels, it should have MXM tires on it which are awesome and a lot of fun. I was super busy at work during the summer that I didn't drive the car and it was cheaper for me to work extra overtime than try to find a set of original wheels and tires (burned through the first tires fast and sold the first set of wheels due to no space). The standard EVSE is upgraded to 16 amps (non-adjustable) and should hopefully be still with the car.


all good to know :)
looks like it still has the Juke wheels and MXM tires I didnt even notice that, other then they still had decent tred left

I was wondering what the extra box was under the dash, didnt find the wiring in the rear hump yet, but I will look when I get it back.

good to know about the EVSE, I have a L2 at home already for my Volt, so not as critical for me, but will verify it is the upgraded one.
2012 SL Nissan Leaf Glacier White #019136
2015 Chevy Volt summit white #07978

BiggieJohn
Gold Member
Posts: 35
Joined: Sun Mar 27, 2016 8:43 am
Delivery Date: 25 Mar 2016
Leaf Number: 019136

Re: 2012 SL with range collapse

Mon Apr 11, 2016 7:51 pm

well, I got the Leaf back from Round Rock Nissan this afternoon.
the service notes show they replaced module #29, not sure why thats different from what leafspy shows,
but the obvious new cell and the bad cell shown in the leafspy output from Jeremy match

I ran it down to VLB, got 54 miles, is this normal for a pack that is unbalanced ?

I sat in the driveway with the heat cranked to 90 until it hit 5 GID, lowest cell was 3.19x volts so decided to stop,
didnt want to push it too far since the new cell was still at 3.712.

I did let it go a little below this screenshot, not sure why my phone didnt save the one at 5 GID :(


Got it charging now on my L2 EVSE at home, will see how it balances out overnight.
You do not have the required permissions to view the files attached to this post.
2012 SL Nissan Leaf Glacier White #019136
2015 Chevy Volt summit white #07978

User avatar
drees
Moderator
Posts: 6197
Joined: Fri Apr 23, 2010 3:51 pm
Location: San Diego

Re: 2012 SL with range collapse

Mon Apr 11, 2016 10:54 pm

BiggieJohn wrote:the service notes show they replaced module #29, not sure why thats different from what leafspy shows

There are 48 modules in the LEAF and each module has 4 cells in a 2P-2S config. Module 29 will correspond to cell-pairs 57-58 which is what shows up in your screenshot.

BiggieJohn wrote:I ran it down to VLB, got 54 miles, is this normal for a pack that is unbalanced ?

The LeafSpy shot is about what I'd expect for a 3.5 year old LEAF with a module replaced. As far as range, hard to say without knowing how efficiently you drove, but your weakest cells will always limit how far you can drive.

BiggieJohn wrote:Got it charging now on my L2 EVSE at home, will see how it balances out overnight.

Yes, hopefully it does balance out OK at the top, please post once it's charged up to 100%.
'11 LEAF SL Powered By 3.24 kW Enphase Solar PV

BiggieJohn
Gold Member
Posts: 35
Joined: Sun Mar 27, 2016 8:43 am
Delivery Date: 25 Mar 2016
Leaf Number: 019136

Re: 2012 SL with range collapse

Tue Apr 12, 2016 5:58 am

this morning after a full charge it's down to 9 bars, and now shows 182 GIDs 88.9% SOC when fully charged.

I'm going to cycle it again today and see what happens.

hx=49.40% doesnt look so good
You do not have the required permissions to view the files attached to this post.
2012 SL Nissan Leaf Glacier White #019136
2015 Chevy Volt summit white #07978

User avatar
JeremyW
Posts: 1517
Joined: Sun Nov 13, 2011 12:53 am
Delivery Date: 23 Jun 2012
Leaf Number: 19136
Location: San Gabriel, CA

Re: 2012 SL with range collapse

Tue Apr 12, 2016 6:14 am

I'm curious to see how the SOH and Hx change after a few charge cycles. For warranty sake, I hope your SOH doesn't go up. :)

I wouldn't worry about the cells not exactly balancing. Even though they're at a lower voltage at 100%, that doesn't mean they are out of balance. They probably have at least 10 Ah more capacity.
Former 2012 SL leasee 6/23/12 - 9/23/15
Now driving Honda Fit EV, License plate: CHADEMO
2000 Honda Insight for long trips

User avatar
drees
Moderator
Posts: 6197
Joined: Fri Apr 23, 2010 3:51 pm
Location: San Diego

Re: 2012 SL with range collapse

Tue Apr 12, 2016 7:15 am

JeremyW wrote:I wouldn't worry about the cells not exactly balancing. Even though they're at a lower voltage at 100%, that doesn't mean they are out of balance. They probably have at least 10 Ah more capacity.

Yep, as long as the new cells are lower in voltage at high SOC and higher in voltage at low SOC, you're getting as much range as possible out of the pack (assuming the other cells stay relatively in balance).

Also curious to see if the pack eventually top balances out, looks like it's trying!
'11 LEAF SL Powered By 3.24 kW Enphase Solar PV

User avatar
RegGuheert
Posts: 5547
Joined: Mon Mar 19, 2012 4:12 am
Delivery Date: 16 Mar 2012
Leaf Number: 5926
Location: Northern VA

Re: 2012 SL with range collapse

Tue Apr 12, 2016 10:30 am

drees wrote:Also curious to see if the pack eventually top balances out, looks like it's trying!
I think it will always struggle, since it balances always during charge and discharge.

It seems to me that with one module (two cell-pairs) replaced, the battery will have an EASIER time passing the CVLI test since a cell-pair would have to drop below the mean voltage by 1.5X the amount that those new cell-pairs exceed the average voltage. In other words, you will have to have quite a bit weaker cell in order to fail that test.
RegGuheert
2011 Leaf SL Demo vehicle
2011 miles at purchase. 10K miles on Apr 14, 2013. 20K miles (55.7Ah) on Aug 7, 2014, 30K miles (52.0Ah) on Dec 30, 2015, 40K miles (49.8Ah) on Feb 8, 2017.
Enphase Inverter Measured MTBF: M190, M215, M250, S280

Return to “Batteries & Charging”