
This kind of UPS is specially designed for computer system and accurate electronically-controlled devices with clean power output. The unit will switch to inverter mode in a very quick response time less than 8ms in the event of outage, sag, blackout to ensure the normal performance of load. Model H650VA H800VA H1200VA Input voltage 140 ~ 280V Output voltage 190 ~ 250V Switch time < 8ms Waveform Square wave Protection type Overload, short circuit, over-charging Overload, short circuit and low battery voltage UPS shut down automatically alarm and LED display Alarm every 4-second if powered by battery with red lamp flashing; alarm every second upon depletion of battery with red lamp flashing Backup time 1 x PC 2 x PC 10 ~ 13 m 8 ~ 12m Batteries 1x12V 7.2AH 1 x 12V 9AH 2 X 12V 7.2AH Net weight 6.5 7 11 Dimension ( packing size) 410*180*230 480 X225 X295 Charging time > 8 hours