Nominal power: 720 W ; Apparent Power: 1200 VA ; Battery: 2 pcs ; Estimated battery operation time: 47 minutes @ 100 W, 20 minutes @ 200 W, 12 minutes @ 300 W, 7 minutes @ 500 W ; Number of outputs: 2 pcs ; Operation state indication: LCD display: in/out voltage level, in frequency, battery capacity, load, alarm, Sound signaling ;