DURACELL Alkaline AAA Batteries 4 Coppertop + 4 Optimum 8 Pack (Limited Time Offer) This item includes Duracell s most groundbreaking innovation yet. The all new Duracell Optimum alkaline battery has a new cathode system that can deliver Extra Life in some devices or Extra Power in other devices vs Coppertop AAA. Optimum Batteries are packaged in a new slider pack with a resealable storage tray that provides a more organized way to store your batteries (no more loose batteries everywhere!). Duracell is the #1 trusted battery brand and we re proud to offer you Duracell Optimum 1.5-Volt Alkaline AAA batteries as part of Duracell s trusted lineup of batteries. What Makes Optimum Great: Proprietary cathode with two active ingredients Resealable package for convenient use - just peel then reseal Storage tray to help keep your batteries protected and organized Available in AA and AAA battery sizes in: 4 pack 6 pack 8 pack and 12 pack As part of our commitment to preserve the environment we use only nontoxic inks in our packaging and the card portion of our package contains recycled material. From the home to the car to your outdoor adventures Duracell provides a variety of products to meet the personal power needs of our valued customers. Check out https://www.duracell.com/ for our full line of products including multiple battery types and battery sizes hearing aid batteries rechargeable batteries and battery chargers inverters and jumpstarters auto batteries marine batteries solar landscape lighting LED lighting flashlights keyless entry remotes and more. Try Duracell CopperTop Quantum Rechargeable Hearing Aid Coin Button and Specialty for all your battery needs.