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Just thinking ahead. Eventually (3-5 years?) my Leaf 30KwH is going to need new batteries. I'm just speculating on the chances that new battery technology will mean that replacement batteries will have more capacity. Or are there two many other components involved?
 

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Why do you think the battery will ever need to be replaced? Our 6 1/2 year old Leaf still has 80% of its original range.
 

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There is no reason to suppose that Nissan will make a bigger battery to upgrade a 30kWh leaf. The 30 kWh battery won't fit in a 24kW for instance-either physically or electrically. It is possible that 3rd parties will upgrade batteries-you can get individual modules replaced to rejuvenate a battery already.
Car companies rely on built in obselence to sell you a new car I can't believe they'll be changing any time soon.
 

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Just thinking ahead. Eventually (3-5 years?) my Leaf 30KwH is going to need new batteries. I'm just speculating on the chances that new battery technology will mean that replacement batteries will have more capacity. Or are there two many other components involved?
Seeing as the warranty is for 8 years why would you be replacing them in 3-5 years?
 
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To actually answer your question . . . Unless there is a major breakthrough in battery technology (which is possible though not necessarily probable) then the answer is it's unlikely you could replace your batteries with significantly better ones (regardless of the practicalities).
 

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Just thinking ahead. Eventually (3-5 years?) my Leaf 30KwH is going to need new batteries. I'm just speculating on the chances that new battery technology will mean that replacement batteries will have more capacity. Or are there two many other components involved?
Can you explain your thinking behind needing to replace in 3-5 years?
 

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The more likely scenario is that 3rd party specialist garage workshops will be around in 8-10 years when a replacement may be needed, and will offer refurbished battery packs with cherry picked used and new cells to offer a 95% or so replacement at a decent price.
 

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Just showing my ignorance here but I have read, from time to time, that individual cells could be replaced in a fading battery. Is that true? Is there anybody doing it?
 

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Hi Umpa - don't have an EV yet but the replacing individual cells thing is something I've heard a lot about but, like you, I have seen absolutely no hard evidence that anybody has ever had it done. On youtube I saw a clip from a guy who had gone down to 8 bars (Arizona I think - somewhere hot anyway) and he starts by saying the dealer had mentioned replacing faulty cells but, in the end, he got a new battery under warranty. Just looking to the future, it might improve the market for the oldest EVs if this was a possibility.
 
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