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UkrainianKozak
Posts: 355
Joined: Thu May 12, 2011 2:53 pm
Delivery Date: 12 May 2011
Leaf Number: 001065
Location: Redmond, WA

Leaf is dead after vacation...

Wed Apr 18, 2012 2:53 pm

I was soo enjoying Hawaii for 2 weeks, so my Leaf just had to slap me with bad news...
When I came back it was totally dead, locks won't made any sound when pushing the button, when I turned the lights on (inside) I did not see even a glimmer on the filament...
Well, Jump starting solved everything, but I'm still puzzled...
I left the car connected to EVSE with round-the clock (from 6AM to 6AM) timer set in Leaf to 80% charging. Leaf was DEFINITELY OFF, so it shouldn't be the case of discharging 12V battery when leaf is on. I checked it twice in the evening and in the morning before heading to the airport...

Weird thing is, after I jump started the Leaf it was almost full... 11 bars was on (I usually have 10 after 80% charging) and range showing 154 miles... clock on dash and all settings/metrics reset, Nav time was correct, but timer settings were off...

Now questions...
1. I thought Leaf will maintain 12V battery charge... What should I do with Leaf when leaving it for extended time?
2. Anyone had similar experience?
3. Why timers were off and dash reset, while the rest of the Nav unit is not?
4. Why Leaf ended up charging to 11 bars? not quite full charge if timers would disengage and not 10 bars like I usually have for 80% charge?

I'm just puzzled, buffled and little disappointed... My old ford 2001 focus kept the charge in its battery (original!) for 2 weeks to start even tho I felt the slowness of the cranking, but my new Leaf failed me for the first time after my vacation!

And yea, I felt weird jump-starting electric car, my neighbor stopped his car and was really staring at me ;) I now think he thinks I'm a liar or something and I don't really have an electric car... ;)
Leaf SL-e
Redmond, WA

41 000 electric miles and counting...

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drees
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Re: Leaf is dead after vacation...

Wed Apr 18, 2012 3:14 pm

The 12V battery died. For some reason everyone else this has happened to has left the car plugged into a charging station while on vacation. It has not happened to anyone who has not plugged the car into a charging station.

Moral of the story - there's no need to leave the car plugged in when going on vacation unless you need it to charge up while away.

I'd report the incident to your dealer and Nissan customer service so they are aware of it.
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Stanton
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Re: Leaf is dead after vacation...

Wed Apr 18, 2012 3:16 pm

drees wrote:Moral of the story - there's no need to leave the car plugged in when going on vacation unless you need it to charge up while away.


Not only will it NOT charge the 12V battery, but I would be worried about a power surge (for whatever reason--storm, etc.) finding it's way through the EVSE as well. I never have any trouble when I leave my Leaf at the airport (unplugged of course).
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Nubo
Posts: 4837
Joined: Fri May 28, 2010 11:01 am
Delivery Date: 31 Oct 2014
Location: Vallejo, CA

Re: Leaf is dead after vacation...

Wed Apr 18, 2012 3:34 pm

I noticed you're still working with polymers.

smkettner
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Location: Orange County, CA

Re: Leaf is dead after vacation...

Wed Apr 18, 2012 3:42 pm

So something drained the 12 volt battery? Could be a bad battery.
If you have a chance to let it sit in the same way check if the battery holds 12.5+ volts for a couple days or at least overnight.
1 bar lost at 21,451 miles, 16 months.
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UkrainianKozak
Posts: 355
Joined: Thu May 12, 2011 2:53 pm
Delivery Date: 12 May 2011
Leaf Number: 001065
Location: Redmond, WA

Re: Leaf is dead after vacation...

Wed Apr 18, 2012 3:48 pm

I'm not willing to let my Leaf idle for 2 weeks to test it again unplugged...
And that would be a really bad battery if it would discharge to almost nothing in 2 weeks...
And I needed the charge the day I was back from vacation... If I would know I would unplug before heading to the airport... but for some reason it would seem logical to me to keep Leaf plugged in while away... My logic was that if it would need to top off for some reason (keep 12V battery charged) It can do so, but... I guess in this regard logic does not work...
Leaf SL-e
Redmond, WA

41 000 electric miles and counting...

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Randy
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Joined: Thu Apr 22, 2010 12:29 pm
Delivery Date: 04 Jan 2011
Leaf Number: 0191
Location: San Diego, CA

Re: Leaf is dead after vacation...

Wed Apr 18, 2012 3:56 pm

There is a constant small drain on the battery when the car is off (think Carwings, cell data, receivers waiting for key fob, etc.) The battery is small, so even a small load can deplete it over time.

For some reason, when the car is plugged in, evidently the DC to DC convertor is inhibited so the 12v battery just drains...

I left my car unplugged for 7 weeks a few months ago and the main battery did not drop in level at all. It stopped responding to Carwings requests after a while, but started up just fine for me later...

kubel
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Leaf Number: 19628
Location: Southeast Michigan

Re: Leaf is dead after vacation...

Wed Apr 18, 2012 4:10 pm

Kind of lame. I thought the main battery was supposed to keep the 12V charged. Maybe it only does this when the car is on?
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TomT
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Leaf Number: 000360
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Re: Leaf is dead after vacation...

Wed Apr 18, 2012 4:22 pm

For whatever reason, it apparently can't do it if left plugged in. I left mine unplugged for four weeks and the pack battery level was virtually unchanged when I returned and everything was fine. Normally, it charges the 12v battery every 5 days when off. The telematics will go to sleep after 14 days of being off.

kubel wrote:Kind of lame. I thought the main battery was supposed to keep the 12V charged. Maybe it only does this when the car is on?
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TonyWilliams
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Re: Leaf is dead after vacation...

Wed Apr 18, 2012 4:28 pm

I'm leaving Saturday for three weeks in Italy, and the LEAF will be left at 50-80%, unplugged, with the 12v on a trickle charge.

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