It's always a good idea to have a set of alkaline batteries on hand ... discharge tests to see which batteries lasted the longest -- including AA, AAA, C, D and 9-volt options.

Unlock to see our ratings and compare products side by side The Amazon Basics Performance AA Alkaline is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries ...

In this particular video, he recreates a method found by researchers to turn a piece of paper into a battery with equivalent performance to a AA-sized alkaline battery. (Video, embedded below the ...

Unlock to see our ratings and compare products side by side The Kirkland Signature (Costco) AA Alkaline is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries ...

Because the AA batter is larger, it has a larger output capacity. AA alkaline batteries offer a capacity of around 2,200 ...