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Your car as a powerwall - for the grid!
#11
Also one main element to consider in this is if the Nissan battery warranty does not allow vehicle to grid then who pays for an early battery failure ? The 3rd party would have the incentive to cycle your vehicle battery as much as possible to make as much money as they can if there is no economic cost factor to using your vehicle battery on a £/$ per kWh throughput charge basis. If they have a per kWh payment to the owner then there are other battery chemistries that are far more viable than EV chemistry.

To me the whole scheme is a marketing ploy with the consumer indirectly paying for another "green" initiative.

On a payment per kWh throughput basis if a battery in a Nissan Leaf is viable then all of the powerwalls on this site should club together and offer up thier battery capacity as a service... someone should do this !!!!!! There is a lot of capacity being built by users on this site....

Just imagine, you car is bing used for Vehicle to grid and then... https://insideevs.com/nissan-issues-stat...gradation/
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#12
(04-03-2018, 04:52 PM)completelycharged Wrote: Also one main element to consider in this is if the Nissan battery warranty does not allow vehicle to grid then who pays for an early battery failure ? The 3rd party would have the incentive to cycle your vehicle battery as much as possible to make as much money as they can if there is no economic cost factor to using your vehicle battery on a £/$ per kWh throughput charge basis. If they have a per kWh payment to the owner then there are other battery chemistries that are far more viable than EV chemistry.

To me the whole scheme is a marketing ploy with the consumer indirectly paying for another "green" initiative.

On a payment per kWh throughput basis if a battery in a Nissan Leaf is viable then all of the powerwalls on this site should club together and offer up thier battery capacity as a service... someone should do this !!!!!! There is a lot of capacity being built by users on this site....

Just imagine, you car is bing used for Vehicle to grid and then... https://insideevs.com/nissan-issues-stat...gradation/

This is another reason to buy Tesla as their management is so impressive.
The battery on my Mercedes only charges to 27kwh under normal usage, and an “over charge” adds about 20 miles range and charges the 36kwh pack to 31-32kwh.
Tesla are very conservative about managing their packs which is why theirs last so long.

Regarding liability; the vehicle owner would be responsible for their own replacement packs which from Nissan / Renault are about £6500.

I certainly wouldn’t sign up to this with a Renault or Nissan from the current range or even the new Leaf 2. They just aren’t there yet with their thermal and power management.

That said if I could get hold of a Nissan or Renault pack I think it would make a great powerwall if you keep it charged to 80% and discharged to about 30%. Power walls don’t need anywhere near the current that cars do.
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#13
This makes me laugh....

https://insideevs.com/nissan-introduces-...-4r-plant/

"The batteries will be produced at the new factory in Namie by reassembling high-performing modules removed from batteries whose overall energy capacity has fallen below 80 percent. "

Pay for a lot more old cells to replace the old cells you already have... and at half the price for a new pack I would doublt you would get close to half the cycle life.... so a premium on a per mile basis for old batteries compared to buying a new pack....

The consumer market needs to be educated..... and the cells sold off cheaper to DIY powerwall builders ! That would make a lot more environmental and economic sense ?
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#14
It’s a shame Nissan never offered a 40kwh Leaf in the UK, only option was a Renault Zoe and you HAD to lease the battery Sad

The 30kwh just wasn’t enough for me. The 36kwh pack on my car makes it almost exactly half a P75D model S. Same motor and controller which makes it more efficient and powerful than the DC motors on the Leaf.
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#15
I would not touch a Leaf battery unless very cheap. First gen cells have bad chemistry and would be a waste of time, second gen seem ok but not great, 2017 looks like either they really messed up on the battery chemistry and it is an epic fail or they have an issue with the pack being over charged.

Zoe lease pricing made it more expensive per mile to drive a Zoe down the motorway than a 3ltr pick up truck.. let alone allowing the battery to be used for a 3rd party to hammer. I was considering a Zoe until I worked out the economics of the lease.
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