KSTAR 1200VA Offline UPS is built-in 230V Input Voltage, 230 (+/-10%) Output voltage with 50 Hz frequency. KSTAR 1200VA Offline UPS, has a Typical 4-8ms, 13ms max Transfer Rate, 24V Battery with 7.5 weight. It is intelligent battery discharging/ Charging management, Overload Protection, Uninterruptible Power Supply, and Compatible with Generators. This LED Indicators offline UPS provides