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 ...

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight and size. So instead of flying for 15 min, now you can fly for 45 min.

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 ...