User avatar
DNAinaGoodWay
Gold Member
Posts: 2645
Joined: Mon Dec 17, 2012 1:43 am
Delivery Date: 03 Dec 2012
Leaf Number: 23156
Location: Central Massachusetts

Re: 2015: Battery Data Report @ 100% Charge

Wed Feb 01, 2017 4:45 pm

Still can't complain. Six months to go on this lease and someone else can have a decent pack to start off with.

IMG_6319.JPG


IMG_6318.JPG
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'12 SL last reading @ 2 yr, 22k, 260 GIDs, 62.35 Ahr

'15 SV w/QC, Mfd 5/14, Leased 8/14, 292 GIDs, 64.38 Ahr when new

@ 25 months, 25k, 267 GID, 56.88 Ahr
@ 29 months, 29k, 286 GID, 60.88 Ahr
@ 31 months, 30.3k, 274 GID, 58.39 Ahr

6.72 kW Array

Reddy
Posts: 1372
Joined: Fri Feb 11, 2011 3:09 pm
Delivery Date: 18 Aug 2011
Leaf Number: 006828
Location: Pasco, WA

Re: 2015: Battery Data Report @ 100% Charge

Thu Feb 02, 2017 11:15 am

Wow! I guess maybe I'll upgrade to a 2015 next year ;)
Reddy
2011 SL; 9 bar, 47.45 AHr; 39,500 mi; rcv'd Aug 18, 2011
Long: http://www.mynissanleaf.com/viewtopic.p ... al#p226115"
Cold: http://www.mynissanleaf.com/viewtopic.p ... 60#p243033"

Relayer1956
Posts: 18
Joined: Fri Jan 17, 2014 6:13 pm
Delivery Date: 02 Sep 2014
Leaf Number: 304279
Location: Indio, CA

Re: 2015: Battery Data Report @ 100% Charge

Thu Feb 02, 2017 4:52 pm

Just lost my second bar today. Had one bar lost last night when I plugged it in. Had 2 bars gone this morning when I went to use the car.

Here are the stats at the second bar loss point:

Date: 2/2/2017
Mileage: 37,888
GIDs: 229
kWh: 17.7
SOC: 97.0%
SOH: 78%
HX: 97.93%
Ahr: 48.84
Mike McNamara, P.E.
Indio, CA
2015 Grey Leaf SL Premium Packages; 2017 Chevy Bolt Premium; 2012 BMW R1200GS Adventure
Planned 19.8kW PV System
"Where is The Lithium Valley?"

Dexion11
Posts: 11
Joined: Tue Mar 12, 2013 5:42 pm
Delivery Date: 24 Feb 2015
Location: Phoenix, az

Re: 2015: Battery Data Report @ 100% Charge

Thu Feb 02, 2017 9:07 pm

Hey relayer what kind of range and at what mi per kWh are you getting. I'm convinced mine is borked. I've never seen more than 92% soh and hx 90% when NEW and only one month old when I bought it according to the door sticker.


Now at 10688 miles I'm at 51.32 ah (82%) and hx at 70.02% but I still show all 12 bars the little cheaters. My gom shows 85 miles and I'm 4.6 miles a kWh which jives with 18.6kwh storage but still 12 bars. Tried everything fast charges, lv2 ,lv1 letting it sit at 100% to balance for a day or two. Just keeps going down.

Relayer1956
Posts: 18
Joined: Fri Jan 17, 2014 6:13 pm
Delivery Date: 02 Sep 2014
Leaf Number: 304279
Location: Indio, CA

Re: 2015: Battery Data Report @ 100% Charge

Fri Feb 03, 2017 11:47 am

Dexion11 wrote:Hey relayer what kind of range and at what mi per kWh are you getting. I'm convinced mine is borked. I've never seen more than 92% soh and hx 90% when NEW and only one month old when I bought it according to the door sticker.


Now at 10688 miles I'm at 51.32 ah (82%) and hx at 70.02% but I still show all 12 bars the little cheaters. My gom shows 85 miles and I'm 4.6 miles a kWh which jives with 18.6kwh storage but still 12 bars. Tried everything fast charges, lv2 ,lv1 letting it sit at 100% to balance for a day or two. Just keeps going down.


Yikes! And I thought I was screwed... BTW, I go by Mike.

My average miles/kWh is right about 3.2. So my typical range now is about 56 miles. I can get better but there's no way I could ever see more than 70 miles around here unless I drafted a semi the whole trip. My one way commute (Indio to Brawley) is 75 miles and I can no longer use the car without stopping for at least 90 minutes at an RV park in Salton City (mid way point) to charge. Makes my one way 75 minute commute almost a 3 hour commute. Thanks Nissan!

I've experienced that every time I DCFC the Ah goes up slightly. But then charging at home for a few days it drops below where it was. So the DCFC yeilds only a temporary increase in Ah.
Mike McNamara, P.E.
Indio, CA
2015 Grey Leaf SL Premium Packages; 2017 Chevy Bolt Premium; 2012 BMW R1200GS Adventure
Planned 19.8kW PV System
"Where is The Lithium Valley?"

tkdbrusco
Posts: 507
Joined: Sun Sep 07, 2014 9:46 am
Delivery Date: 31 Aug 2014
Contact: Website Facebook Twitter

Re: 2015: Battery Data Report @ 100% Charge

Fri Feb 03, 2017 2:49 pm

Dexion11 wrote:Hey relayer what kind of range and at what mi per kWh are you getting. I'm convinced mine is borked. I've never seen more than 92% soh and hx 90% when NEW and only one month old when I bought it according to the door sticker.


Now at 10688 miles I'm at 51.32 ah (82%) and hx at 70.02% but I still show all 12 bars the little cheaters. My gom shows 85 miles and I'm 4.6 miles a kWh which jives with 18.6kwh storage but still 12 bars. Tried everything fast charges, lv2 ,lv1 letting it sit at 100% to balance for a day or two. Just keeps going down.


Looking at those numbers, you should lose a bar any second. Judging by the kWh and ah, you should have lost it already. My guess would be that Nissan is taking into account a certain variable at the bar loss and knows that the battery will have seasonal temperature fluctuations. They want to make sure that it won't jump back up a bit in a short period of time. This also nearly confirms that there is some hidden capacity in the back that is being eaten away at.
2015 Leaf S w/QC Package. San Jose, CA
www.theevconsultant.com

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drees
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Posts: 6172
Joined: Fri Apr 23, 2010 3:51 pm
Location: San Diego

Re: 2015: Battery Data Report @ 100% Charge

Mon Feb 06, 2017 10:27 pm

Relayer1956 wrote:My one way commute (Indio to Brawley) is 75 miles and I can no longer use the car without stopping for at least 90 minutes at an RV park in Salton City (mid way point) to charge. Makes my one way 75 minute commute almost a 3 hour commute.

Ouch. With a 75 mile one-way commute and the ability to charge at each end, you really need a 30 kWh EV minimum. I'd really recommend something that will do 125-150 miles (50-100% more range than required). Even better - something that will do 150 miles easily round-trip so you can just charge once a day, you really need 60 kWh for that.

I was wondering why your LEAF was losing capacity so fast, but 150 miles / day in the heat around the Salton Sea heat explains it. It just shows that in climates like that, you really need thermal management. A Bolt would be a great commuter car for that route.
'11 LEAF SL Powered By 3.24 kW Enphase Solar PV

DaveinOlyWA
Gold Member
Posts: 11722
Joined: Sat Apr 24, 2010 7:43 pm
Delivery Date: 10 Nov 2016
Leaf Number: 314199
Location: Olympia, WA
Contact: Website

Re: 2015: Battery Data Report @ 100% Charge

Tue Feb 07, 2017 8:18 am

drees wrote:
Relayer1956 wrote:My one way commute (Indio to Brawley) is 75 miles and I can no longer use the car without stopping for at least 90 minutes at an RV park in Salton City (mid way point) to charge. Makes my one way 75 minute commute almost a 3 hour commute.

Ouch. With a 75 mile one-way commute and the ability to charge at each end, you really need a 30 kWh EV minimum. I'd really recommend something that will do 125-150 miles (50-100% more range than required). Even better - something that will do 150 miles easily round-trip so you can just charge once a day, you really need 60 kWh for that.

I was wondering why your LEAF was losing capacity so fast, but 150 miles / day in the heat around the Salton Sea heat explains it. It just shows that in climates like that, you really need thermal management. A Bolt would be a great commuter car for that route.


+1 on that! I am gathering data on heat dissipation on the 30 kwh packs and initial evidence (well as much as can be had for Winter...) shows the pack returning to normal temps after a QC MUCH quicker than the 24 kwh packs.

now, be it bigger packs, less strain, less heat build up? hard to say since I have only had the car since Veteran's Day so need some heat to really evaluate but now with garage temps running from the upper 40's to low 50's, my LEAF is returning to ambient temps after a QC in less than 12 hours.

FYI; bigger pack implies less strain during QC but the 30 kwh pack charges much faster. I received 20.04 kwh from an AV charger in 28 mins! that is HUGE!! Finally a real "80% charge in 30 mins!"
2011 SL; 44,598 miles. 2013 S; 44,840 miles. 2016 S30; 16,015 miles. 363 GIDs, Ahr 81.90, Hx; 98.25% kwh 28.1 QCs 141, L2's 170
My Blog; http://daveinolywa.blogspot.com" onclick="window.open(this.href);return false;

Phatcat73
Posts: 419
Joined: Fri Feb 08, 2013 2:44 pm
Leaf Number: 401511
Location: Buffalo Grove, Il

Re: 2015: Battery Data Report @ 100% Charge

Tue Feb 07, 2017 8:26 am

I've noticed the rapid heat loss as well. I had the pack up to about 70 degrees while it was in the 20's at night. Next morning, while parked outside, it was down to about 30 F.
2016 SV; purchased 20-Jan-17, <5k, 98% SOH; 01-Apr-17
2013 SV; purchased 6-March-13 44k, 81% SOH; 3-Apr-17
2015 S; purchased 29-July-14, moved to AZ Nov-2014, 19k, 83% SOH; 30-Mar-17
(LD storage) 2009 Ford Escape Hybrid 4x2), 101k

DaveinOlyWA
Gold Member
Posts: 11722
Joined: Sat Apr 24, 2010 7:43 pm
Delivery Date: 10 Nov 2016
Leaf Number: 314199
Location: Olympia, WA
Contact: Website

Re: 2015: Battery Data Report @ 100% Charge

Tue Feb 07, 2017 8:59 am

Phatcat73 wrote:I've noticed the rapid heat loss as well. I had the pack up to about 70 degrees while it was in the 20's at night. Next morning, while parked outside, it was down to about 30 F.


I went from 86º to 51.2/50.8/49.4 in just over 10 hours while car was parked in garage (temps 48.8)

I always have the one temp a few degrees lower but most mornings, its within .2º of the garage and with NCTC, I have fast charged a lot! :)
2011 SL; 44,598 miles. 2013 S; 44,840 miles. 2016 S30; 16,015 miles. 363 GIDs, Ahr 81.90, Hx; 98.25% kwh 28.1 QCs 141, L2's 170
My Blog; http://daveinolywa.blogspot.com" onclick="window.open(this.href);return false;

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