Gives Your Compatible Tripp Lite UPS System Extended Runtime The BP72V18-2USTAA is compatible only with Tripp Lite''s SU3000RTXLCDTAA and other UPS systems that specify the use of this battery pack. Not only does it provide extended runtime, but it can also be daisy-chained using its rear connector to additional external battery packs for even longer extended-run operation. Heavy-gauge cabling with high-current DC connectors is included for simple installation. Mounts in 2U of Space in 19 in. 4-Post Racks This battery pack''s multi-use form factor supports mounting in 2U of space in EIA-standard 19-inch racks using the included 4-post rack-mounting brackets. The BP72V18-2USTAA is also compatible with Tripp Lite''s 2-9USTAND for upright tower configuration, 2POSTRMKITWM for 2-post racks or wall installation and UPDHDEARKIT for 2-point front-rail rack installation without rear supports (all accessories sold separately). TAA-Compliant for GSA Schedule Purchases The BP72V18-2USTAA is compliant with the Federal Trade Agreements Act for GSA Schedule purchases. 2-Year Warranty and Environmentally Responsible Design The BP72V18-2USTAA comes with a 2-year warranty. It''s manufactured in compliance with strict RoHS specifications, reflecting Tripp Lite''s commitment to environmental responsibility.