It looks like Chinese are using Hybrid packs (Sodium + Lithium/LFP) to minimize downsides of each.The main issue with sodium cells is the voltage range is a lot wider per cell than most other battery chemistry, takes special inverters and motors to tolerate the wider voltage range as the battery pack runs up and down it's Soc.
Works great! Hope you get it soonBC 1.4 Lane Change Assist.
(Oh wait that is coming OTA by yearend. Wonder which year?)