Keeping batteries organized is often an afterthought, but when the TV remote is dead, and you want to watch your favorite ...

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 ...

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 ...

HIGH COMPATIBILITY: It is not only suitable for AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries ...