Description Product Reviews Tripp Lite AVR900U Standby UPS Systems 900VA 480W AVR Series Line-Interactive UPS System offers ultra-compact, line-interactive protection for PCs and workstations. System maintains 120 volt nominal output over an input range of 83 to 147 volts. Workstation-optimized features include USB port (HID-PDC compliant), single-line telephone/DSL surge suppression, space saving right-angle input plug, six battery/surge-protected outlets and six additional surge-only outlets (12 total). USB port (included cable) works with free unattended shutdown software. Housing is mountable. 0 Reviews Hide Reviews Product Reviews