168 Pk Duracell CopperTop D Alkaline Batteries Long Lasting All Purpose Battery. Duracell D Batteries: The Duracell CopperTop D alkaline battery is designed for use in household items like remotes, toys, and more. Duracell guarantees these batteries against defects in material and workmanship. Should any device be damaged due to a battery defect, we will repair or replace it at our option. Long Lasting Power: Duracell alkaline batteries are designed and developed for long-lasting performance. Guaranteed for 10 years in Storage: Duracell D alkaline batteries are guaranteed for 10 years in storage. Damaged Cards so will be Bulk.