Optimum AA/AAA batteries, Duracell's #1 best performing alkaline batteries, are formulated with 4X the patented POWER BOOST Ingredients vs Coppertop AA and AAA.
Optimum AA/AAA batteries, Duracell's #1 best performing alkaline batteries, are formulated with 4X the patented POWER BOOST Ingredients vs Coppertop AA and AAA.