1.1000va/2000va/3000va/4000va/5000va/6000va
2.inside 7ah/9ah/17ah batteries
3.Pure sine wave.
4.Low frequency, inbuilt transformer.
5.AVR function
6.power factor 0.7
7.Support inductive load, motor, generator.
8.Input range: 145-275vac
9.output: 230vac+/-10%
10. RS232 available
11.LED/LCD panel available
12.transfor time: 5ms
13.protection: automatic self-test, discharge protection,
over charging protection, short-circuit protection.low voltage,
over voltage, over load, over heating protection etc.