Whether in the mains supply or battery electricity, it can output the low distortion sine wave power, which can provide user with the excellent protection for load equipment. When mains supply electricity failure or resume, there is not delayed for UPS switches between mains supply electricity and battery, which effectively ensures the reliability of load operation. When electricity is abnormal, battery supplying is end. UPS will be shut down .As electricity returns to normal, UPS will activate the button automatically without manual operation. MODEL NO.TECHNICALA-500A-650A-1000BA-1000A-1500BT-500BT-1000C1KC2KC3KVVoltage range (v)165 275165 275165 275165 275165 275145 275145 275 115∼300115∼300115∼300INPUT HzFrequency (Hz)50HzVACapacity (W)500VA650VA1000VA1000VA1500VA5001000100020003000OUTPUTVVoltage220±10%220±2%(AVR)YesBATTERYBack up time (minute)8 128 1216 258 1230 408 1225 355∼135∼135∼13ProtectionSelf-detect and discharge protectionMASUREMENTCarton Measurement400*145*200390*210*240430*210*240400*145*200145×400×220192×460×340DISPLAYLED/LCDLEDLCDLED