Soon enough (2030+) someone's going to solve NIB batteries (mainly sodium refining, I guess) and a bit heavier, but dirt cheap sodium ion batteries are going to

Soon enough (2030+) someone's going to solve NIB batteries (mainly sodium refining, I guess) and a bit heavier, but dirt cheap sodium ion batteries are going to be everywhere. https://en.wikipedia.org/wiki/Sodium-ion_battery https://en.wikipedia.org/wiki/Sodium-ion_battery