APC UPS, 2000 VA Smart-UPS Sine Wave, Short Depth UPS Battery Backup with Extended Run Option, Tower/4U Rack Convertible, Line-Interactive, 120V (SMX2000LV)
Smart-UPS Extended Run Option: Extended-run models accept external battery packs (model SMX120BP, sold separately) for a longer runtime during prolonged outages, to power critical servers, security and communications systems
Input: NEMA 5-20P. Output: NEMA 5-15R (6), 5-20R (3) and L5-20R (1)
Output: 120V (User-selectable 100V-127V)
Tower. 4U Rackmount convertible (rail kits sold separately, part# AP9625)