Tripp Lite 3000VA Smart UPS Back Up, Sine Wave, 2250W Line-Interactive, 2U Rackmount, Extended Run Option, LCD, USB, DB9 (SMART3000RM2U) 3kVA 2250W UPS Battery Backup Power Supply with AVR, Sine Wave output &amp; interactive LCD monitoring 120V NEMA L5-30P input, 8 NEMA 5-15R/20R &amp; 1 L5-30R outlets Supports a half load of 1125 watts on battery for 10 minutes and extended runtime options up to 1600W Included PowerAlert software for complete network power management and control USB, RS232, EPO and slot for optional SNMP/Web card 2-Year Warranty (3-Year with Registration) &amp; $250K Ultimate Lifetime Insurance for connected equipment 3000VA, 2250-Watt output power capacity compatible with North American 120V, 60Hz power 2U rack/tower form factor installs in standard 19-inch rack enclosures with an installed depth of only 18 inches Protects sensitive networking equipment from blackouts, voltage fluctuations and transient surges Line interactive Automatic Voltage Regulation (AVR) corrects inputs from 79 to 147VAC back to usable 120V levels without consuming battery power 11 minutes of battery backup at half load, and 4 minutes at full load