The same holds true for battery power. [Andreas] wanted to use protected 18650 cells, but didn’t want to buy them off the shelf. He found a forty cent solution. Not only can you see it in the ...

you’ve probably run into 18650 batteries. You often find these inside laptop batteries and –famously– the Tesla electric vehicle runs on a few thousand of these cells. The number might seem ...

Batteries fuel the drone war, but some current U.S. drones rely on Chinese batteries. Ukrainian Wild Hornets show how any ...