3,440 kWh · 1,000 kW · Lithium Iron Phosphate
MG2-AC1-1000-05-B: 3,440 kWh nameplate energy; 1,000 kW continuous; lithium iron phosphate.
3,440 kWh nameplate, per the California Energy Commission list.
Yes — the CEC list shows UL 9540 certification (certified by intertek).