All of the common disposable alkaline batteries from AAA to D are single cells. The exception is the 9v battery which actually has six smaller cells inside of it. [Tom] took a look inside three ...

We place batteries inside remote controls, toys (like the ones that light up or make sounds), wireless keyboards and mouses, wall clocks, and smoke detectors. Let’s take a look inside a single-use ...

Even after holes were drilled to vent any gasses inside the battery, the brass slug bounced off both good and bad batteries the same way. This means the reason dead alkaline batteries bounce is ...

Does a copper top really make a difference? Is Energizer the heavy artillery of battery power? Is heavy-duty superior to ...

As you shop for new batteries for your devices, you'll most often come across two types — lithium and alkaline. While on the surface, they might look pretty similar, inside, they're worlds apart.