The PFC Sinewave CP900EPFCLCD UPS with pure sine wave output safeguards mid- to high-end computer systems, servers and networking hardware that use conventional and Active Power Factor Correction (PFC) power supplies. It solves the critical compatibility issues of non-sine wave UPS products working with computing systems using Active PFC power supplies (ENERGY STAR 5. 0) and ensures equipment do not unexpectedly shutdown or experience harmful stress when switching from AC power to UPS battery power. This UPS system is designed with patented Green Power UPS(TM) bypass circuitry that improves the operating efficiency so that users can enjoy significant cost savings by reducing energy consumption and waste heat generated. The included Power Panel Personal Edition management software showcases the feature rich abilities such as input/output power voltage readings, self-diagnostics, scheduled-shutdown, and approximate battery backup time. With the Energy-Saving Technology, this Cyber Power Value Series UPS can save up to 75% of electricity and therefore save your electricity expenses. Green Power UPS(TM) Technology Automatic Voltage Regulation EMI, RFI, Surge and Lightning Spike Protection Phone / Fax / Modem / DSL / Network Protection Auto-Restart / Auto-Charge LCD Status Monitor USB & Serial Connectivity Ports User-Replaceable Batteries Front Panel User-friendly Control Switch USB Charging Ports Power Panel(R) Personal Edition Software