This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

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 ...

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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 ...