https://www.tuncmatik.com/ru/product/overview/lift-1500va.html
Product Code TSK6141
Capacity / Power 1500 VA / 900 W
Display LED Panel
Input
Voltage 220 / 230 / 240 VAC
Voltage range 162-265 VAC
Frequency 50 / 60 Hz ± 10%
Output
Voltage 220 VAC
Voltage range ± 10%
Frequency range (Synchronized) 50 / 60 Hz ± %4
Frequency range (Battery mode) 50 ± 0.25 Hz - 60 ± 0.3 Hz
Transfer time 2 - 6 msec, 10 msec max.
Waveform Simulated sine wave
Battery
Type & number of battery 12V 9Ah x 2
Charge time 6 ho