The Consumer Product Safety Commission is warning customers against purchasing loose lithium-ion battery cells that can be used for vapes, flashlights and other small devices. In particular, the CPSC ...

Lithium-ion cells deliver very high energy densities compared to many other battery technologies, but they bring with them a danger of fire or explosion if they are misused. We’re mostly aware of the ...

If you've owned a laptop for a few years, you've no doubt encountered the problem that the battery eventually loses its ability to hold a charge. Generally what happens is that one or more of the ...