Product Review

Every Duracell is engineered with DuraLock Power Preserve, technology inside each battery that helps lock in power Now guaranteed for up to 10 years in storage. Made in USA Duracell Coppertop D Batteries Duracell CopperTop All-Purpose alkaline batteries are not only dependable, they're also long-lasting. You can take comfort in a 10-year guarantee in storage with Duralock Power Preserve Technology. They're great for many of the devices you use on a daily basis in your home. And from storm season to medical needs to the holidays, Duracell is the #1 trusted battery brand of first responders, pharmacists and parents, so you know it's a battery you can trust. CopperTop batteries are available in AA, AAA, C, D and 9V.