Overview BP36V15-2U rack/tower external battery pack offers extended battery runtime when used in conjunction with expandable 36V Tripp Lite rackmount and tower 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, wallmount and upright tower installation available. Compatible with these UPS systems - SMART1000RMXL2U, SMART1200XLHG, SMART1500RMXL2Ua, SMART1500XL, SMX1200XLHG, SMX1500XLRT2U and other Tripp Lite UPS systems that specify the use of this battery pack.