https://transportevolved.com/2015/09/11/confirmed-30-kwh-nissan-leaf-battery-packs-incompatible-with-older-nissan-leafs/

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> On Aug 22, 2016, at 3:24 PM, Cor van de Water via EV <[email protected]> 
> wrote:
> 
> Peri,
> Unlikely.
> While battery technology has been progressing quickly and we have seen
> the Model S go through a series of incremental upgrades where the kWh
> rating went up in 5 kWh steps for the same size of battery, it is
> unlikely that Nisan will be able to shoe-horn more than twice the
> current capacity into the same space under the vehicle and keep it
> compatible.
> The 2016 Leaf can be had with a 30kWh pack instead of 24 so that is a
> possibility to get a new and incrementally better pack.
> I suspect that Nissan will not provide the 30kWh pack with the same
> connector as the 2011 Leaf has, but knowing the pin-out (it is the same
> signals on different pins, we already saw this change going from the
> 2011/2012 Leaf to the 2013+ where the control connector changed from
> 4-row to a 6-row connector but has identical signals, so it would be
> trivial to splice on a new connector and plug (send me a message if you
> want to do this, I have a connector and the pack feed-through from a
> 2011 that you can splice onto the 2013+ wiring to allow it to work in a
> 2011 Leaf)
> Only you will need to convince a Nissan Dealer to help you to pair your
> new pack to your car in the Nissan service system so it generates a key
> that needs to be entered on your car to accept the new pack, else you
> can only drive around at 25 MPH.
> There is one other option to get the 30kWh pack to work in a 2011 Leaf,
> but I would have to see the internals of the new pack (number of cells
> and layout) to be able to tell if it would be possible to use the old
> BMS on the new pack, which would avoid contacting the Nissan service,
> only the old BMS will need to learn that it has higher capacity cells to
> better estimate range, even though it will work and balance like normal
> on the old pack.
> Learning new capacity takes more than a month of daily driving in my
> experience.
> 
> As I said, this is to get the 30kWh battery into the 2011 Leaf. I highly
> doubt the 200 mile Leaf will have the same space for its battery, it is
> likely that the car itself will be re-designed to create more space for
> the pack so it will by definition not be compatible.
> 
> Cor van de Water 
> Chief Scientist 
> Proxim Wireless 
> 
> office +1 408 383 7626                    Skype: cor_van_de_water 
> XoIP   +31 87 784 1130                    private: cvandewater.info 
> 
> http://www.proxim.com
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> 
> -----Original Message-----
> From: EV [mailto:[email protected]] On Behalf Of Peri Hartman
> via EV
> Sent: Monday, August 22, 2016 10:38 AM
> To: Ed Blackmond; Electric Vehicle Discussion List
> Subject: Re: [EVDL] EVLN: Chevrolet Bolt EV Early Adopter promises,
> androgynous-design and no-delays
> 
> When Nissan comes out with their 200 mile battery, does anyone know if 
> it will be possible to upgrade a 2011 leaf with that battery?
> 
> Peri
> 
> ------ Original Message ------
> From: "Ed Blackmond via EV" <[email protected]>
> To: "Electric Vehicle Discussion List" <[email protected]>
> Sent: 22-Aug-16 9:36:25 AM
> Subject: Re: [EVDL] EVLN: Chevrolet Bolt EV Early Adopter promises, 
> androgynous-design and no-delays
> 
>> 
>>> On Aug 22, 2016, at 4:19 AM, EVDL Administrator via EV 
>>> <[email protected]> wrote:
>>> 
>>> For all that, I have to admit, it has promising specs.  It's just 
>>> that I
>>> still can't get past GM's EV history.
>> That worries me a bit too, but they are going to be available for 
>> purchase. The EV1 was not.
>> 
>> I'm planning to replace my 2011 Leaf with a Bolt as soon as they become
> 
>> available. If I can get 150 miles driving the way I drive, I will never
> 
>> have to rent an ICE car again.
>> 
>> The range of my Leaf is now down to about 55. The most I ever got was 
>> 81. Ever since buying the Leaf, there were things I decided not to do 
>> because I would have to rent a car to do them. I don't think that will 
>> be the case with the Bolt.
>> 
>> Ed
>> _______________________________________________
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> 
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> 

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