APC Easy UPS SRV 3000VA 230V Automatic internal bypass Supplies utility power to the connected loads in the event of a UPS power overload or fault. Automatic restart of loads after UPS shutdown Automatically starts up the connected equipment upon the return of utility power. ECO Mode Operating mode that by-passes unused electrical components in good power conditions to achieve high operating efficiency without sacrificing protection Input power factor correction Minimizes installation costs by enabling the use of smaller generators and cabling. Intelligent battery management Maximizes battery performance, life, and reliability through intelligent, precision charging. LCD graphics display Text and mimic diagrams that display modes of operation, system parameters and alarms. Serial connectivity Provides management of the UPS via a serial port. USB connectivity Provides management of the UPS via a USB port (not available on all models).