Duracell Specialty Alkaline batteries offer reliable, long-lasting power for your specialty devices such as digital cameras. They’ll preserve power up to 5 years in storage, so you can be confident these batteries will be ready when you need them. Battery Features Long Lasting Power: Duracell alkaline batteries are designed and developed for long lasting performance. Guaranteed for 5 years in Storage: Duracell AAAA alkaline batteries are guaranteed for 5 years in storage. #1 Trusted Battery Brand: This Duracell CopperTop AAAA Alkaline battery is equivalent to E96 and MN2500.