BP72V15-2U rack-mount external battery pack offers extended battery runtime when used in conjunction with expandable 72V rack-mount and tower UPS systems. Includes heavy-gauge cabling with high-current DC connector for safe, simple installation. Included mounting accessories support 2U rack-mount installation in 4-post racks. Options for 2-post center-mounting and wall-mount installation available.Compatible with SU3000RTXL2U, SU3000RTXL3U, SU3000RTXLCD3U, SU3000RTXR3U, SU3000RTXR3UHW, SU3000XL, SUINT3000RTXL2U, SUINT3000RTXL3U, SU3000LCD2UHV, SUINT3000LCD2U and other UPS systems that specify the use of this battery pack.Offers extended-run UPS operation when used in conjunction with compatible 72V DC UPS systemsIncludes heavy-gauge cabling with high-current DC connectors for simple installationIncluded mounting brackets support rack-mount installation in 4-post racks using only 2 rack spaces (2U)2POSTRMKITWM option supports balanced two-point center-mounting in 2-post equipment racks2POSTRMKITWM option also enables wallmount installationNOTE: LIMIT OF 1 BP72V15-2U PER UPS, SEE BP72V18-2US or BP72V28RT-3U FOR MULTI-PACK COMPATIBILITY