BP48V27-2US rack mount external battery pack offers extended battery runtime when used in conjunction with expandable 48V Tripp Lite rack mount UPS systems. Includes heavy gauge cabling with high current DC connector for safe, simple installation. Included daisy chain connector enables the connection of additional compatible 48V external battery packs to the host UPS. Included mounting accessories support 2U rack mount installation in 4 post racks. Options for 2-point front-rail mounting, 2 post center-mounting and wall mount installation available. Compatible with these UPS Systems - SM2200RMDVTAA, SMART1500CRMXL, SMART2200CRMXL, SMART2200RMXL2U, SMART2200RMXL2UP, SMART2200RMXLN, SMART2200VSXL, SMART2600RM2U, SMART3000CRMXL, SMART3000RM2U, SMART3000RM2UN, SMART3000RMXL2U, SMART3000RMXLN, SMART3000VS, SMART5000RT3U, SMART5000XFMRXL, SMARTINT3000VS, SMX2200XLRT2U, SMX3000XLRT2U, SMX3000XLRT2UA, SMX5000XLRT3U, SU1500RTXL2UA, SU1500RTXLCD2U, SU2200RTXL2UA, SU2200RTXLCD2U, SUINT1500RTXL2UA, SUINT2200RTXL2UA and other Tripp Lite UPS systems that specify the use of this battery pack.