Duracell® Procell PC2400BKD AAA alkaline batteries provide dependable 1.5V power for professional applications. These AAA batteries use alkaline-manganese dioxide chemistry, operate from -20 C to 54 C, and are packaged in bulk for professional use. They are suitable for motion sensors, testing equipment, remote controls, flashlights, calculators, clocks, radios, wireless mice, wireless keyboards, and portable electronics.