Battery isn’t a consumable. The CEO of Nissan states the batteries outlast the vehicle.

https://www.forbes.com/sites/carltonreid/2022/08/01/electric...

You see similar longevity in Teslas with hundreds of thousands of miles on them.

https://electrek.co/2020/06/06/tesla-battery-degradation-rep...

https://electrek.co/2018/04/14/tesla-battery-degradation-dat...

17 million new vehicles are sold per year in the US. I would argue EVs are not yet sold at a volume sufficient to drag the average new vehicles sales price up much beyond the $48k it’s currently at. Cars are just more expensive, interest rates keep rising, and wages aren’t keeping up.