French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve bought a powerful LED flashlight, a rechargeable battery pack, or a–ahem–stronger than usual LASER ...

Daniel Madrzykowski and Nathaniel Sauer provide the details of the Fire Safety Research Institute's testing that shed more ...

A China-based firm has launched a novel energy storage device that tackles the 18650-battery ... more powerful”, the new battery is the latest addition to the JP series. Despite having a compact ...

Draining a battery is easy. Just put a load across the ... a holder for a single 18650 cell, and a rocker switch to connect it all together. But wait, what’s that a TP4056 charging module ...