krox
Posts: 50
Joined: Wed Sep 14, 2016 12:46 pm
Delivery Date: 14 Sep 2013
Location: Ukraine

Module with 30 kW battery

Tue Nov 21, 2017 12:04 am

Who can explain why the engineers of Nissan made modules, in 30 kW batteries, double? Previously, they were all separately. Nissan Leaf 2015 year.
http://s02.radikal.ru/i175/1711/0c/18de6dc80395.jpg

cwerdna
Posts: 8407
Joined: Fri Jun 03, 2011 4:31 pm
Delivery Date: 28 Jul 2013
Location: SF Bay Area, CA

Re: Module with 30 kW battery

Tue Nov 21, 2017 12:12 am

Not that this answers the question but battery capacity is measured in kWh, not kW.

viewtopic.php?t=20548 may have the answers.

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garsh
Posts: 1144
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Delivery Date: 05 Apr 2012
Location: Pittsburgh PA

Re: Module with 30 kW battery

Tue Nov 21, 2017 2:32 am

Less weight? Only requires half of that metal covering.
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joeriv
Posts: 181
Joined: Sun Mar 24, 2013 1:33 pm
Location: Fairfield County CT

Re: Module with 30 kW battery

Tue Nov 21, 2017 6:07 am

Cheaper.
2017 Leaf S with QC, JUN mfg date

FlyRay
Posts: 3
Joined: Wed Sep 14, 2016 5:10 pm
Delivery Date: 15 Oct 2016

Re: Module with 30 kW battery

Tue Nov 21, 2017 2:58 pm

It's either for cost-reduction or space-saving if not both.

However, I see this isn't the most intelligent solution, as less surface for ventilation which is more needed for higher energy density. This probably explains why 30kWh battery packs degrade faster than the 24 kWh ones. "sigh"

krox
Posts: 50
Joined: Wed Sep 14, 2016 12:46 pm
Delivery Date: 14 Sep 2013
Location: Ukraine

Re: Module with 30 kW battery

Sun Dec 24, 2017 6:49 am

Yes you are right, the battery capacity in kWh! By weight, one double module weighs 1 kg more than two conventional modules (from 24 kWh)!
I also agree that the ventilation of the battery is 30 kWh, worse than 24 kWh! You can freely install modules from 30 kWh to a 24 kWh battery. They are completely interchangeable, I checked it! :)

LeftieBiker
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Delivery Date: 30 Apr 2018
Location: Upstate New York, US

Re: Module with 30 kW battery

Sun Dec 24, 2017 1:57 pm

krox wrote:Yes you are right, the battery capacity in kWh! By weight, one double module weighs 1 kg more than two conventional modules (from 24 kWh)!
I also agree that the ventilation of the battery is 30 kWh, worse than 24 kWh! You can freely install modules from 30 kWh to a 24 kWh battery. They are completely interchangeable, I checked it! :)


That would be great news, were it not for the terrible degradation issues with the 30kwh modules. I might use them in an electric snowmobile, but nothing that would see heat.
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estomax
Posts: 184
Joined: Fri Jan 20, 2017 9:23 pm
Delivery Date: 21 Jan 2017
Leaf Number: 424033
Location: Seattle

Re: Module with 30 kW battery

Tue Dec 26, 2017 2:18 pm

i am curious if the new 40kwh modules are also same size/format. wouldn't mind putting those in my 24kwh pack when mine wears out.

edit: What’s particularly notable here is that the new 40 kWh battery pack is apparently the exact same physical size as the lower-capacity battery pack that it’s replacing — so the van’s cargo area and seating remains undiminished. from : https://cleantechnica.com/2017/10/03/ni ... nv200-van/

this seems to support that the modules are same dimension as the 24/30kwh modules.
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thankyouOB
Posts: 3583
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Leaf Number: 1442
Location: Coastal LA

Re: Module with 30 kW battery

Tue Jan 02, 2018 3:24 pm

I have an original 24kwh battery in my May 2011.
I want to put in a new battery.
Is Nissan service depts selling 30 and 40 kwh replacements?
are they compatible with the 2011 with some wiring harness modifications by the dealership?
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boppo
Posts: 16
Joined: Fri Feb 03, 2017 4:02 pm
Delivery Date: 07 Feb 2017
Leaf Number: 309878
Location: Upstate New York

Re: Module with 30 kW battery

Tue Jan 02, 2018 4:15 pm

thankyouOB wrote:I have an original 24kwh battery in my May 2011.
I want to put in a new battery.
Is Nissan service depts selling 30 and 40 kwh replacements?
are they compatible with the 2011 with some wiring harness modifications by the dealership?


No And No

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