The battery for professionals, manufactured to rigid specifications to meet some of the highest standards of durability and longevity. Contain no added mercury, rated for reliable operation in temperatures from -20°C to 54°C. The choice battery for professionals, manufactured to rigid specifications to meet some of the highest standards of durability and longevity. 7 year freshness guarantee backed up with date coding. Contain no added mercury, rated for reliable operation in temperatures from -20°C to 54°C. Available in bulk packaging for easier inventory management. Procell batteries are often specified for: smoke detectors, pagers, flashlights, electronic test equipment, electronic safety equipment, medical devices, remotes, calculators, door locks and cameras.