Duracell Coppertop 9V batteries deliver long-lasting, reliable power for essential household devices. Featuring Duralock Power Preserve Technology, these alkaline batteries stay fresh for up to 10 years in storage so you always have power when you need it.

• Chemistry: Alkaline-Manganese Dioxide
• Voltage: 9V nominal
• Miniature snap terminal connectors
• Operating temperature: -4F to 130F (-20C to 54C)
• 10-year shelf life with Duralock technology
• Triple corrosion protection to prevent leaks
• Mercury-free formula

Common uses: Smoke detectors, carbon monoxide alarms, garage door openers, remote controls, and door locks.