Overview BP24V28-2U rackmount external battery pack offers extended battery runtime when used in conjunction with expandable 24V Tripp Lite rackmount UPS systems. Includes heavy gauge cabling with high current DC connector for safe, simple installation. Included mounting accessories support 2U rackmount installation in 4 post racks. Options for 2-point front-rail mounting, 2 post center-mounting and wallmount installation available. Compatible with these UPS Systems - SMART750RMXL2U, SU750RTXL2U, SU750RTXLCD2U, SU1000RTXL2UA, SU1000RTXLCD2U, SUINT1000RTXL2UA and other Tripp Lite UPS systems that specify the use of this battery pack.