Many toys that will be opened by little ones ... A lot of these gadgets and gizmos are powered by button batteries or coin cell batteries, which are small and powerful. It is so small, in fact ...

Button and coin cell batteries are tiny but powerful: You can find them in everything from tealights to toys. And in the hands of young children, they’re uniquely dangerous. Aside from posing a ...

Also called a "coin cell," button cells look like small, squat silver cans from five to 25mm in diameter. Delivering from one to five volts, button cells come in alkaline, silver, zinc-air and ...