5,111.8 kWh · 2,555.9 kW · Lithium Iron Phosphate
Y104R04C12-320: 5,111.8 kWh nameplate energy; 2,555.9 kW continuous; lithium iron phosphate.
5,111.8 kWh nameplate, per the California Energy Commission list.
Yes — the CEC list shows UL 9540 certification (certified by tuv rheinland of north america).