French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve bought ... vehicle runs on a few thousand of these cells. The number might seem like a strange choice ...

Draining a battery is easy. Just put a load across ... 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 doing ...

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

To test 18650 battery cells in the TAM IV Macrocalorimeter, the 18650 Battery Lifting Tool was created. It has a solder-free connector to safely and easily attach an 18650 battery cell sample. For ...

Its P26A 18650 cell—"18650" describes the form factor—is widely available on battery reselling sites, and it's the same unit the Spierling uses in its 60.0-kilowatt-hour pack. P26As cost ...