We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights, toys, radios, and remote controls—and found differences in performance and cost.

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...

Ever wondered why some batteries are labelled AA, AAA or even AAAA? The naming system goes back to the early days of radio, when ‘A’ batteries powered low-voltage circuits and ‘B ...

These rechargeable batteries use NIMH battery chemistry. The AA battery stores up to 2,000mAh and the AAA battery up to 850mAh of power. Eneloop batteries are precharged and are ready to use out ...