webeleafowners
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Joined: Mon Oct 05, 2015 5:37 pm
Delivery Date: 06 Oct 2015
Location: Okanagan Valley British Columbia

Rookie mistake. Left it at 96 percent charge. Question

Fri Dec 23, 2016 7:57 pm

He folks. We are new owners of a 2016 SV 30KW. Recently read here that it is not a good idea to leave the battery charge to a high level for a long storage period. Our car will be stored for the next 8 weeks at around 7 degrees celcius (about 45 degrees F) and it is at 96 percent. I suppose I could have someone go over and run it down to 80 percent or so but that would be a bit of a pain. How much damage does this do for a period of time like this. Thanks in advance.

John and Angela
2015 Smart Electric Drive convertible.
2016 Nissan Leaf SV 30KW
EV only Family...well except for the big diesel motorhome. :shock:

camasleaf
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Delivery Date: 17 Jun 2011
Location: Camas, WA

Re: Rookie mistake. Left it at 96 percent charge. Question

Fri Dec 23, 2016 8:45 pm

Can you remotely start the heat?

I once left a 2012 4 weeks at about 90% at around 65F. There was not noticeable impact until we return it at 23000 miles.
2011 SLe 06/17/11 Over 76000 miles 71%SOH 15.7kWh
2015 SV 09/02/14, Over 36000 miles soon to be returned for a 2018
5.7kW DC System

webeleafowners
Posts: 369
Joined: Mon Oct 05, 2015 5:37 pm
Delivery Date: 06 Oct 2015
Location: Okanagan Valley British Columbia

Re: Rookie mistake. Left it at 96 percent charge. Question

Fri Dec 23, 2016 9:05 pm

Can't do it remotely but in a pinch I could get somebody to go and run it down. Heater etc. How low should it be. How big of a deal is this.
2015 Smart Electric Drive convertible.
2016 Nissan Leaf SV 30KW
EV only Family...well except for the big diesel motorhome. :shock:

DanCar
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Location: SF Bay area, 94043

Re: Rookie mistake. Left it at 96 percent charge. Question

Fri Dec 23, 2016 9:35 pm

Degradation from heat is 10x more of an issue. Your battery will be fine.

LeftieBiker
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Location: Upstate New York, US

Re: Rookie mistake. Left it at 96 percent charge. Question

Fri Dec 23, 2016 10:16 pm

If it's cold where the car is, it should be ok - that 96% indicated is more like 90% actual. If you want to run it down to 90% indicated with the heater, 20 minutes should do it. Why can't you do it remotely?
2013 "Brilliant Silver" SV with Premium Package and no QC, and 2009 Vectrix VX-1 with 18 Leaf cells.

The most offensive, tasteless phrase in use here is "Pulled the trigger." I no longer respond to posts that use it.

webeleafowners
Posts: 369
Joined: Mon Oct 05, 2015 5:37 pm
Delivery Date: 06 Oct 2015
Location: Okanagan Valley British Columbia

Re: Rookie mistake. Left it at 96 percent charge. Question

Fri Dec 23, 2016 10:47 pm

LeftieBiker wrote:If it's cold where the car is, it should be ok - that 96% indicated is more like 90% actual. If you want to run it down to 90% indicated with the heater, 20 minutes should do it. Why can't you do it remotely?


We scooped a left over 2016 long distance. We bought it but didn't have a chance to enter the code into the panel thingy so we can't access it remotely. It's about 8 weeks before we get back. It will be in cool temps until we get back.

Thank you. That puts our minds at ease.
2015 Smart Electric Drive convertible.
2016 Nissan Leaf SV 30KW
EV only Family...well except for the big diesel motorhome. :shock:

arnis
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Leaf Number: 015896
Location: Estonia, Europe

Re: Rookie mistake. Left it at 96 percent charge. Question

Sat Dec 24, 2016 5:42 am

Small mistake that is even smaller due to cold temperature. Hope Leaf is not plugged in.
Imagine losing 0,01-0.1% of capacity due to that high state of charge. Isn't really measurable ;)

When you get back battery will be slightly depleted due to periodic 12V battery recharge.
Would be nice to hear from you how many percents was lost with 2 months.
Have a nice year change :D
Short range EVs <30kWh -- Medium range: 30-60kWh -- Long range: >60kWh
Charging: Trickle <3kW -- Normal 3-22kW -- Fast 50-100kW -- Supercharging >100kW

webeleafowners
Posts: 369
Joined: Mon Oct 05, 2015 5:37 pm
Delivery Date: 06 Oct 2015
Location: Okanagan Valley British Columbia

Re: Rookie mistake. Left it at 96 percent charge. Question

Sat Dec 24, 2016 7:26 am

Thank you again. Nope. It is not plugged in. Under cover but outside and it's in Canada so ....yah it's cold...but usually around the freezing mark.

I'll let you know what the drop was.
2015 Smart Electric Drive convertible.
2016 Nissan Leaf SV 30KW
EV only Family...well except for the big diesel motorhome. :shock:

GerryAZ
Gold Member
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Location: Phoenix, AZ

Re: Rookie mistake. Left it at 96 percent charge. Question

Sat Dec 24, 2016 10:57 am

Periodic charging of 12-volt battery takes very little. I parked at the office on 11/28 and returned on 12/21 to find the SOC essentially the same as when parked. Your storage temperature is low so don't worry about the battery. Enjoy the new car when you get back up north.

Gerry
Gerry
Silver LEAF 2011 SL rear ended (totaled) by in-attentive driver 1/4/2015 at 50,422 miles
Silver LEAF 2015 SL purchased 2/7/2015

DaveinOlyWA
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Leaf Number: 314199
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Re: Rookie mistake. Left it at 96 percent charge. Question

Sat Dec 24, 2016 11:05 am

despite what you have read here, no one knows how bad your battery will be when you get home but one thing is for certain. it will be worse off. how much?

you said you can have someone run the battery down for you so I have to ask; what is stopping you? The recommended SOC for long term storage is about 40-50%. I would get that done asap
2011 SL; 44,598 miles. 2013 S; 44,840 miles.2016 S30 (build 10/2016)"low water marks" 26,100.2 miles.363GID Ahr 79.55Hx95.35%kwh28.1QCs227,L2's 237
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