Reliability in a Compact Footprint Fully-digital control with high output voltage precision. Manages all the nine power problems including sagging, spikes, and fluctuations. Built-in Ethernet port includes compatibility with intelligent cards (SIC card, RDU SIC cards, etc.,) with browser support. Built-in-power charger for fast charging reduces battery charging time. Prolonged backup time through cascaded connection. Quality-tested for 1000 hours for extreme durability and extreme tolerance even in stringent condition High Availability Early Warning of UPS System Status Multiple audible and visual alarms immediately alert you to critical issues. Periodic Battery Testing Provides automatic and manual self-diagnostic battery testing for peace of mind. Power-Factor Correction Prevents noise, harmonics, and distortion from being passed on to connected loads or from being fed back to the utility. Lightning and Surge Protection The transient voltage surge suppression circuitry inside the Liebert® ITA2 provides additional protection for the connected equipment. Wide Input Voltage Window Prolongs battery life by allowing the UPS to maximize the use of utility power before transferring to the battery when the input voltage exceeds the specified limits.