... UPS wide input voltage rang:90v-280v powerful charging current:10A--30A it can drive AC,refrigerator,with RS232,SNMP Home ... UPS1,INPUT voltage rang :90v-280v,2,with four -steps AVR3,recharge ... pure sine wave7,Has CE , ISO certificate8,protection against short-circuit, overload9,when the mains come, it willl start the unit automatically. Pure sine wave ...