Is anyone giving or receiving a holiday gift labeled "batteries not included"? We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights ...

Our evaluation included extensive discharge tests to find long-lasting alkaline batteries -- including AA, AAA, C, D and 9-volt options. We also considered the cost per battery for each option to ...

It worked fine in all three. Yes. But here's what I didn't know: AA and AAA batteries put out the same 1.2- to 1.5-volts.

The Energizer Ultimate Lithium AA is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries models like the Ultimate Lithium AA are rated on multiple criteria ...

Don't Buy AA and AAA batteries Our tests uncover the best and the worst. If a product performs so poorly that we think you should avoid it, we call it a Don't Buy. We've tested two AA and three AAA ...