BP24V28-2U rack/tower external battery pack offers extended battery runtime when used in conjunction with compatible Tripp Lite systems. Multi-use form factor supports configuration in stacking, upright tower and rackmount applications using only 2 rack spaces (2U). Includes heavy gauge cabling with high current DC connector for simple installation. Compatible UPS Systems - OMNIVS1500XL, OMNIVSINT1500XL, SU750XL, SU750RTXL2U, SU1000XLa, SU1000RTXL2Ua, SUINT1000RTXL2Ua, SMART750RMXL2U, and other Tripp Lite UPS systems that specify the use of this battery pack.