APC Symmetra LX 8kVA Scalable to 16kVA N+1 Tower (SYA8K16I) - Capacity: Output Voltages 220, 240, Output 11.2kWatts / 16.0kVA, Output Frequency (sync to mains) 47 - 63 Hz, Input Voltages 220, 240, 380, 415, Input Frequency 45 - 65 Hz Auto-Sensing, Battery Type: Lead-Acid Battery, Included Battery Modules x 3, Connectivity: DB-9 RS-232, Smart-Slot, Emergency Power Off (EPO), Waveform type: Sine Wave