#SodiumIon at 175Wh/kg ( #CATL #Naxtra) or about 6kg/kwh put an 8kwh pack at 48kg, still too heavy for ordinary hand #batteryswap. But 2kwh is within the 40lb/18kg limit usually cited in ergonomics in the West, good enough for a 2026-30 #urbanmoped or #ruralebike.
www.bike-ev.com/news/cars/ca...
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