The CyberPower RB1290X2D is a UPS battery designed with lead acid technology, ensuring performance in various environments. This maintenance-free, sealed, and leak-proof battery provides a robust 12 V voltage, suitable for powering essential equipment. With a capacity of 9 Ah, this replacement battery cartridge operates from 0°C to 40°C, and can withstand humidity levels ranging from 0 to 95% without condensation. The CyberPower RB1290X2D is engineered for dependable use, making it a choice for maintaining power continuity when it matters most.