UPS Replacement Battery Cartridge for SUINT1500LCD2U UPS System This UPS backup battery replacement is carefully screened and certified to meet or exceed original specifications. The leakproof, no-maintenance RBC36S comes pre-assembled and pre-wired as three 12V batteries for quick and easy installation in your SUINT1500LCD2U. It functions within a wide range of operating temperatures. A sensor automatically informs the UPS that the battery has been replaced, so the UPS can reset the battery age. Reusable packaging allows you to easily send expired batteries to a recycling center.