APC SMART-UPS SRT LI-ION 3000VA RM 230V Network Card (SRTL3000RMXLI-NC) - Max Configurable Power (Watts): 2.7kWatts / 3.0kVA, Input frequency: 40 - 70 Hz Auto-sensing, Output Frequency (sync to mains): 50/60 Hz +/- 3 Hz Sync to mains, Load Crest Factor, 3 : 1, Bypass: Built-in bypass, Number of Power Cords: x 1, Interface Port(s): RJ-45 Serial, Smart-Slot, USB, Expected Battery Life: 5 - 10 years