Posts: 2
Joined: Tue May 29, 2018 9:15 am
Delivery Date: 29 Jul 2018

Battery in cold temps

Tue May 29, 2018 9:21 am

Hi there,
I searched the forum but couldn't found exactly what I was looking for so hoping someone can quickly give me their advice.

Looking at leasing a 2018 Leaf SV. I was talking to a mechanic and he tried to tell me I should think twice as the range that the manufacturers say you get on a battery charge is much less than advertised. He especially warned against the range in the winter as it will likely not get more than 100km on a charge.

Can anyone clarify their experiences with the battery in cold (and hot) temps?

I live in Southern Ontario so we tend to hit both ends of the temperature spectrum throughout the year.

Any guidance would be great as I am meeting with the dealer tonight!

Thanks very much

Posts: 139
Joined: Tue Aug 01, 2017 3:33 pm
Delivery Date: 01 Aug 2017
Leaf Number: 311806
Location: Colorado front range

Re: Battery in cold temps

Tue May 29, 2018 10:36 am

A lot depends on the road conditions, how you drive, average speed, etc. but I would say 100km is easily done with a 30kWh Leaf in the winter so the newer 40kWh 2018 Leaf should absolutely have no trouble.

What is unknown is how much capacity will be lost by the battery. The battery has its maximum range when new and will lose (X?) percent of that range per year. X varies quite a bit but in general in cooler climates it is lower so in Ontario I think you would be safe to use a value of 5-10% range loss per year.

How much range do you need? How long is the lease? After 3 years I would expect the range to be > 75% of original in your climate. Factor in maybe an 20% loss factor for cold weather and go from there. Of course, if there is 6" of snow on the ground and you're heading into a 30kph headwind, that will hurt range quite a bit too.

Posts: 2
Joined: Tue May 29, 2018 9:15 am
Delivery Date: 29 Jul 2018

Re: Battery in cold temps

Tue May 29, 2018 1:02 pm

Lease would be 3 years.

On a typical day to day basis I drive 25km each way to work. There are no charging stations at work (I teach at a high school). So I think I would be fine getting to and from work. But my family lives approx 70km away so I'm just trying to think of those times when I need to make further drives and whether that is going to become a real pain to have to stop partway through to charge.

Thanks for the information you provided. I really hope I would be able to get more than 100km in winter though. That seems relatively short or else charging multiple times in one day would become a pain! Perhaps I'm not ready for the switch from gas to electric!

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Posts: 1218
Joined: Mon Apr 16, 2012 7:56 pm
Delivery Date: 23 Jun 2012
Leaf Number: 021881
Location: Lenexa KS (Kansas City)
Contact: Website

Re: Battery in cold temps

Thu Jun 21, 2018 6:11 am

The bigger issue will be how much heat you use in the cold temps. Below 40*F (IIRC) the heat is the old style resistance heater which uses a lot of energy and that will impact your range more than a cold battery. The reason a cold battery affects range is that it doesn't transfer energy as efficiently and you get virtually 0 regeneration on braking. I would expect 70km to be safe even in the cold but bundle up.
Tom in KS
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