to be the king of flashlights, but replacing those pesky D-cell batteries is kind of ridiculous in this day and age. So [Travis] decided to upgrade it to make use of the ever-so-common ...

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 ...

JP30 is proof that significant advances can still come in smaller sizes. Chinese company achieves impressive feat with tiny ...

They were all no-name 18650 lithium ion cells, and I measured the capacity to be about 2,000 mAh. I suspect these may be old "recycled" cells or possibly seconds, as I'd expect the capacity of ...

For this and other reasons, Electro Energy is happy to announce that after twelve months of intensive effort, they have completed the largest manufacturing facility for 18650-type cells outside Asia.

It’s vital that these particular power cells align well with your vaping device and the style of vaping you prefer. However, before we delve into the best 18650 batteries for your vape pen or ...

The new batteries, built with high-capacity 18650 cells, will comprise Novacium's advanced silicon-based anode material. This breakthrough material enables a capacity increase of over 30%, ...