APC SC 620VA 230V Smart-UPS (SC620I)...
APC SC 620VA 230V Smart-UPS (SC620I) - Max Configurable Power (Watts): 390 Watts / 620VA, Input frequency: 50/60 Hz +/- 3 Hz Auto-sensing, Output Frequency (sync to mains): 50/60 Hz +/- 3 Hz Sync to mains, Transfer Time: 2 ms typical, Interface Port(s): DB-9 RS-232, Expected Battery Life: 3 - 5 years