Input Voltage: 145-290VAC
Output Voltage: 195-255VAC
Output waveform: PWM/DC
Output frequency: 50Hz or 60Hz
Battery rating: 12V/9A
Backup Time: 3-20min
Noise Level: Less than 45 dB
Operating Temperature: 0-45 deg C
Humidity: 10 to 90 % non condensing
Weight: 5.5Kg/5.8Kg