Power your devices with the Energizer Industrial EN22 Alkaline 9V Battery Pack 12. Perfect for smoke alarms, digital clocks, radios and more, these batteries are designed to function in extreme temperatures, ranging from -18 to 60 degrees. Ideal for industrial applications, they boast a long shelf life of up to 5 years when stored at 21 degrees. Reliable and efficient, keep your devices running smoothly and consistently with Energizer.