Tripp Lite Replacement Battery Cartridge for AVR550U / AVRX550U UPS Systems, Leak Proof/Maintenance-free, 3 Year Minimum Battery Life, 5 Year Maximum Battery Life

UPS Replacement Battery Cartridge for Select Tripp Lite UPS Systems. This UPS backup battery replacement is designed for these specific battery-door enabled versions of Tripp Lite AVR550U, AVRX550U, ECO550UPS, ECO650UM, INTERNET550SER, INTERNET550U and INTERNET600U that originally shipped with a 12V 3.6Ah battery inside. It is carefully screened and certified to meet or exceed original runtime specifications. The leakproof, no-maintenance RBC36H comes ready for quick and easy installation in your UPS system. It functions within a wide range of operating temperatures. Reusable packaging allows you to easily send expired batteries to a recycling center.