The RB1290X6A UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X6A contains four 12V/9AH replacement batteries, certified to meet or exceed original manufacturer specifications. These leak-proof, sealed lead-acid batteries never require replacement fluid. The pre-assembled cartridge installs easily in your CyberPower UPS system and is shipped with reusable packaging which can be used for delivering expired batteries to a suitable recycling center. The RB1290X6A comes with instructions, recycling information, and an eighteen-month warranty.UPS Compatibility OL2200RTXL2U, OL3000RTXL2U, OL3000RTXL2UHVSealed Lead-Acid BatteriesSupply high surge currents, provide robust power-to-weight ratios, and are cost-effective.Maintenance-Free Battery FluidNever requires replacement.Leak-Proof CasingProtects the sealed lead-acid batteries and prolongs battery life.User-Installable CartridgeAllows for quick and convenient installation; each cartridge is pre-assembled.Reusable PackagingProvides for conveniently delivering expired batteries to a recycling center. After installing the new cartridge, place the old one in the reusable packaging.OEM CertifiedCyberPower batteries meet or exceed original manufacturer specifications.Eighteen-Month WarrantyCovers defects in materials and workmanship in the product under normal use and conditions within eighteen months of the purchase date. See warranty for details.