Sodium-Ion batteries, AGM / Faradion

Can be shipped with zero volts, so no hazardous shipping regs.

https://www.youtube.com/watch?v=WkgZW2nvYJs&feature=youtu.be

[youtube]WkgZW2nvYJs&feature=youtu.be[/youtube]

Pretty cool new product.
But for now, pretty low energy density ???

30% lower density than LiFePO4 ?? IIRC, LiFePO4 A123 18650 cells are 1100 mAh at 3.2V nominal.
So Na-Ion 18650 cell format would be like 750 mAh per can @ ?.?? volts.
Seem pretty low volumetric energy density !