BUILT FOR HIGH-DRAIN DEVICES: Powers heavy-duty flashlights, emergency weather radios, portable lanterns, camping equipment, large children’s toys, boomboxes, and any device requiring D/LR20 batteries. 10-YEAR STORAGE GUARANTEE: Duracell Coppertop D batteries are guaranteed to remain ready for up to 10 years in storage. Your emergency kit batteries will work when a storm knocks out the power. DEPENDABLE POWER THROUGHOUT: Powers heavy-duty flashlights, emergency weather radios, portable lanterns, camping equipment, large children’s toys, and other devices requiring D batteries, where reliable power isn’t negotiable. QUALITY ASSURANCE: Every Duracell battery is guaranteed against defects in material and workmanship. The standard for reliability trusted for generations. EMERGENCY-READY: Stock your go-bag, emergency kit, and camping gear. D batteries are your first line of defense when the power goes out—make them Duracell.