Cool beans, looking forward to more sodium ion cells showing up on the market but won't really be interested in buying them until they show low temperature capability (< -20 C), high C rates of at least 10C, and high cyclability (>5k cycles). From what I understand all of these parameters are achievable with sodium cells. Voltage ranges and power density are much less important for me since I am custom building packs mostly for stationary application. Looking forward to the day when we have many options on the market for sodium cells, and even some American manufacturers I would hope!