Capacity : 1000 VA / 900 W AC Voltage : 110 ~ 285 V : 160 ~ 285 V AC Frequency : 50 5 Hz AC Protection : 6 A DC Voltage : 36 V DC INT Battery : 3 x 12 V, 7 Ah DC Protection : FUSE CHG Topology : SWITCHING REGULATION CHG Floating Voltage : 40.8 V INV Wave Form : SINEWAVE INV Distorsion : < 3% THD INV Topology : PULSE WIDTH MODULATION (PWM) INV Voltage : 220 1% V INV Frequency : 50 1% Hz INV Efficiency : > 83% Transfer Time When AC In Loss : 0 ms Transfer Time STS : 2 ms Inverter to Bypass, 0 ms Back To Inverter Back Up Time : 10 min BZR AC Input Abnormall : INTERMITTENT SOUND WITH 4 SECONDS INTERVAL BZR Battery Low : INTERMITTENT SOUND WITH 1 SECONDS INTERVAL Opera Temp : 0 40 C Dimension(DxWxH) : 412 x 144 x 213 mm Weight : 13 kg.