I think we are not that far away from the "cheap super-battery": https://www.nextbigfuture.com/2022/10/catl-will-mass-produce-sodium-ion-batteries-in-2023.html

I think we are not that far away from the "cheap super-battery": https://www.nextbigfuture.com/2022/10/catl-will-mass-produce-sodium-ion-batteries-in-2023.html https://www.nextbigfuture.com/2022/10/catl-will-mass-produce... Does this qualify as "super-battery", you tell me, but it's pretty good and cheap and could easily scale for storage of solar and wind.