The RB1290X4C UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X4C 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 into your CyberPower UPS system and is shipped with reusable packaging which can be used for delivering expired batteries to a suitable recycling center. The RB1290X4C comes with instructions, recycling information, and an eighteen-month warranty. UPS Compatible: OR2200PFCRT2U (with serial numbers beginning with "GAM" or "GAR"), OR2200PFCRT2Ua.