Duracell Coppertop D batteries deliver long-lasting, reliable power for high-drain 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
• Voltage: 1.5V nominal
• 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: Flashlights, lanterns, large toys, portable radios, and emergency equipment.