Sodium cells also cost half as much to produce. Better cold-weather performance and charging to 80% in 15 minutes seem to tip the scale in their favor in many people's minds. Not to mention sodium being much more abundant and available than lithium. Categorically saying they're a poor choice for a car disagrees with multiple car companies - you must know more than they do.

And those ones are lasting longer than anyone expected.

They are cheaper to produceand safer, make replaceables easier ad get with the new tech.