1,720 kWh · 1,000 kW · Lithium Iron Phosphate
GridBox: 1,720 kWh nameplate energy; 1,000 kW continuous; lithium iron phosphate.
1,720 kWh nameplate, per the California Energy Commission list.
Yes — the CEC list shows UL 9540 certification (certified by tuv rheinland of north america).