We've tested and reviewed products since 1936. Read CR's review of the Energizer MAX +PowerSeal AA Alkaline battery to find out if it's worth it.

Energizer has unveiled a new line of EcoAdvanced alkaline batteries made with 4 percent recycled material. The company says it's the first major brand to introduce such a product and says it spent ...

Comparing non-alkaline dollar-store batteries to brand-name alkalines While I never put much science behind my decision to buy the name-brand batteries, some people have. Rhett Allain, a physics ...

In a test of cameras, Energizer Lithium was top rated, taking 609 shots, while among alkalines, Duracell held up the best. In other devices, alkaline batteries cost less and perform almost as well ...

We've tested and reviewed products since 1936. Read CR's review of the Energizer ecoAdvanced AA Alkaline battery to find out if it's worth it.