Energizer Alkaline Battery 3LR12 4.5 V Max 1 Blister Pack

Long lasting power for constant current consumers. 7 years in storage.The Energizer MAX Series features long-lasting performance and innovation. Energizer 9-volt batteries retain their power for up to 5 years in storage, so you'll have power when you need it most. Count on Energizer for long-lasting performance and device protection for your smoke detectors, toys, remote control cars, watches and other high-value devices.