The PFC Sinewave CP900EPFCLCD UPS with pure sine wave output safeguards mid- to high-end computer systems, servers & networking hardware that use conventional & 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) & 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™ bypass circuitry that improves the operating efficiency so that users can enjoy significant cost savings by reducing energy consumption & 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, & approximate battery backup time. With the Energy-Saving Technology, this Cyber Power value Series UPS can save up to 75% of electricity & therefore save your electricity expenses. Green Power UPS™ Technology Automatic Voltage Regulation EMI, RFI, Surge & Lightning Spike Protection Phone / Fax / Modem / DSL / Network Protection Auto-Restart / Auto-Charge LCD Status Monitor USB (Universal Serial Bus) & Serial Connectivity Ports User-Replaceable Batteries Front Panel User-friendly Control Switch USB (Universal Serial Bus) Charging Ports Power Panel Personal Edition Software