At a glance we can see the major components you’d expect in a discharger: a fairly simple PCB, four ceramic power resistors, a holder for a single 18650 cell, and a rocker switch to connect it ...

Interesting is the fact that the decision to encase the Potassium-ion battery in the 18650 format represents a strategic decision. As the most widely used and designed cell format, the 18650 ...

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