Duracell Optimum AAA Batteries bring convenient sets of the premium-performance AAA alkaline batteries. Duracell AAA Optimum batteries have a groundbreaking cathode system for even greater life or extra power in some devices over classic Coppertop batteries. The handy slider pack sports a resealable design so you can open and reseal these Duracell batteries sets anytime. Premium AAA battery performance Convenient multi-packs Resealable slider pack