
Amazon.com: APC External Battery Pack for Smart-UPS Extended Run SMX-Series, SMX120BP, 48V, 4U Rackmount/Tower convertible black : Electronics,

APC 2DX4705 - SMX120RMBP2U External Battery Backup with Extended Run Option, Rack/Tower, Sold as 1 Pack : Electronics - Amazon.com,

APC Smart-UPS X 120V External Battery Pack Rack Tower,

APC Smart-UPS X, Line Interactive, 3kVA, Rack/tower convertible 2U, 100V-127V, 3x 5-15R+3x 5-20R+1x L5-30R NEMA, SmartSlot, Extended runtime,

APC Smart-UPS X, Line Interactive, 2000VA, Rack/tower 2U, 100V-127V, 3x 5-15R+3x 5-20R+1x L5-20R NEMA, SmartSlot, Extended runtime, 10ft input cord - SMX2KR2UX145 | APC USA