Energizer MAX 9-volt batteries deliver long-lasting power for smoke detectors, clocks, radios, and other essential devices. PowerSeal technology provides leak protection for up to 2 years after batteries are fully used, helping protect your devices from damage.

• 9.0-volt alkaline batteries, 4-pack
• PowerSeal technology prevents damaging leaks
• Up to 5-year shelf life in storage
• No added mercury or cadmium
• Zinc-manganese dioxide chemistry