Duracell Coppertop D batteries deliver dependable, long-lasting power for the devices you use most. Formulated with Power Boost Ingredients for reliable performance through the freshness date stamped on every cell.

• 1.5V alkaline (manganese dioxide) chemistry
• Guaranteed fresh for 10 years in storage
• Power Boost Ingredients for consistent voltage delivery
• No added mercury
• High-drain large flashlights, lanterns, boomboxes, portable radios, and larger RC vehicles
• Built in the USA with US and global parts
• 4 batteries per pack

Typical use: D cells power the highest-drain household gear - emergency lanterns, large flashlights, and boom-style portable radios. For emergency stockpiles, keep them unopened in the original packaging until needed.