Capacity 650VA Dimension (mm) 279 x 101 x 142 (D x W x H) Weight (kg) 4.2 INPUT Nominal Voltage 230VAC Voltage Range 140 – 300 VAC ± 5% Nominal Frequency 50 or 60Hz (Auto sensing) OUTPUT Voltage Regulation ± 10% Frequency 50 or 60Hz ± 1Hz Transfer Time (typical) 2 – 6ms Waveform Simulated Sinewave BATTERY Number of Battery 12 V/8.2 Ah x 1 Recharge Time (typical) 2-4 hours recover to 90% capacity ALARM & INDICATORS LED Display AC Mode – Green Lighting Battery Mode – Yellow Flashing every 10 secon