Refurbished: APC Smart-UPS X SMX2000RMLV2UNC 2U Tower/Rack Mountable Line-interactive UPS - 2000 VA - 100-127 V - 1 x NEMA L5-20R, 3 x NEMA 5-15R, 3 x NEMA 5-20R - USB, RJ 45, RS-232 Serial - Newegg.com
APC Smart-UPS 2000 SU2000 Compatible Replacement Battery Set by UPSBatteryCenter
Amazon.com: APC Smart-UPS X 2000 Rack/Tower LCD - UPS - 1800 Watt - 1920 VA : Electronics
New-Factory Direct - APC Smart-UPS 2000 LCD XL - USB | RefurbUPS