Ensure uninterrupted power protection with the CyberPower Replacement Battery Cartridge RBP0074, designed specifically for OL1000ERTXL2U and OL1500ERTXL2U models. This reliable battery restores your UPS to peak performance, safeguarding your devices during outages and voltage fluctuations. Easy to install and engineered for lasting durability, it’s the essential upgrade to keep your critical equipment running smoothly when it matters most.