KSTAR UPS 1000VA Model Code: KSTAR UA100 / KS-UA100 ,Capacity: 1000VA / 600 Watts,Topology: Line-Interactive / Offline UP,Nominal Input Voltage: 110/120 VAC or 220/230/240 VAC,Operating Voltage Range: 81–145 VAC (for 110V) / 162–290 VAC (for 220V/230V/240V),Operating Frequency Range: 50 / 60 Hz (Auto-sensing, ±10%),Internal Batteries: 2x 12V / 7Ah sealed lead-acid batteries,Recharge Time: 6 to 8 hours (to 90% capacity),Transfer Time: Typical 2–6 ms, 10 ms maximum