Technology: Online, Double Conversion, High Frequency. Overload: 110 - 300 Vac at 50% Load, 176 - 300 Vac at 100% Load. Power Factor: ->0.99. Type of Wave: Pure Sinewave, Harmonic Distortion: THD <3% (Linear Load), Crest Factor: 3:1, Charge Time: 4h - 90%. Efficiencty: 93%. Battery Type: Lead Battery with anti-leak, VRLA Type. Backup Time: Up to many hours (Depend on connected load). Charge Time: 4h - 90%. LCD Display: Load Level, battery level, Input / Output and frequecny, operating mode and fault or warning indicator. Acoustics: Battery mode, low battery, overload, fault, bypass mode. Control Power: View Power, Communications: RS232 and USB, Indicators: Automatic, Shutdown of applications, input / output voltage and frequency, load status, battery capacity, temperature, historic events, system analysis. Protection: Low battery, current limitation, overload, short - circuit, temperature and output over / low voltage. Automatic Bypass: Yes, RFI Filter: Yes, PFC: power factor corrector: Yes. Acoustic Level: <58dBA.