a 40-pack of Duracell Coppertop Alkaline AA batteries costs $20.99, or about 52 cents per battery. Given that Kirkland ...

we tested several models and brands. Our evaluation included extensive discharge tests to see which batteries lasted the longest -- including AA, AAA, C, D and 9-volt options. We also considered ...

Kirkland Signature only offers the two most common battery types, Alkaline AA and AAA, and both types ... longevity fell just five minutes behind its name-brand counterpart. According to studies ...