Specifications include, but are not limited to: Marathon Battery Back-up, 4 Battery System with Maintenance Bypass Switch (Total of 4 Systems) 4 EA TRTC-1124-N2 Line-Interactive, True sine-wave, 19” Rack/Shelf Mount BBS, 1100VA/1100W, 230 VAC In & Out, 4-Line LCD Display, 24VDC, Anderson Connectors, Temperature Probe with Rack Mount Ears 4 EA TSRC-2003-01 Maintenance Bypass Switch for TRTC1124-N! BBS, 120VAC, 19” Rack-Mount, 24 VDC, Black, Anderson Connectors 4 EA TBHK-2009-24 Battery Harness Kit for TRTC-1124-N1, From UPS to FOUR Batteries with disconnects to Individual Battery Jumpers, 24 VDC 4 EA Marathon SNMP-CY54-04 Ethernet Communications Card. Marathon Battery Back-up, 2 Battery System with Maintenance Bypass Switch (Total of 1 System) EA TRTC-1124-N2 Line-interactive, True sine-wave, 19” Rack/Shelf Mount BBS, 1100VA/1100, 230VAC In & Out, 4-Line LCD Display, 24VDC, Anderson Connectors, Temperature Probe 1 EA TSRC-2003-01 manual & Automatic Maintenance Bypass Switch for TRTC-1124-N1 BBS, 120VAC, 19” RackMount, 24VDC, Black, Anderson Connectors 1 EA TBHK-0009-24 Batter harness Kit TBHK-0009-24, From UPS to TWO Batteries, with disconnects to Individual Battery Jumpers, 24VDC 1 EA Marathon SNMP-CY54-04 Ethernet Communications Card.