The RB1290X4F UPS Replacement Battery Cartridge restores life to CyberPower UPS systems that have weak or completely depleted internal batteries. The RB1290X4F contains four 12V/9Ah batteries, certified to meet or exceed original manufacturer specifications. This leak-proof, sealed lead-acid battery never requires replacement fluid. The pre-assembled cartridge installs easily into your CyberPower UPS system and is shipped with reusable packaging for delivering expired batteries to a suitable recycling center. The RB1290X4F comes with instructions, recycling information, and an eighteen-month warranty.UPS CompatibilityPR1500LCDRTXL2UPR1500LCDRTXL2UNPR1500LCDRTXL2UTAAPR2200LCDRT2UPR2200LCDRT2UNPR2200LCDRTXL2UPR2200LCDRTXL2UTAAPR3000LCDRT2UPR3000LCDRTXL2UPR3000LCDRTXL2UNPR3000LCDRTXL2UTAA.