Reliable Long-Lasting Power: Procell Constant AA 1.5-volt batteries provide extended power compared to earlier Procell Alkaline models, specifically designed for low-drain devices such as alarm panels, motion sensors, smoke detectors, remote controls, blood monitors, glucometers, flush valves, and more. Reduced Maintenance Costs: Engineered for durability, these batteries minimize the need for frequent replacements, helping to save on operational and maintenance expenses. High Standards for Quality: Manufactured to meet Procell’s stringent safety, design, and quality protocols, these AA batteries comply with ANSI and IEC standards for consistent performance. 10-Year Shelf Life: With advanced cell construction, Procell Constant AA batteries retain their power for up to 10 years in storage, ensuring they are ready whenever needed. Optimized for Professional Devices: Developed in collaboration with manufacturers, these batteries deliver dependable performance in professional-grade devices and function effectively in temperatures ranging from -4°F to 129.2°F.