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 pointer, ...

Streamlight's 18650 Battery Bank Charger was designed to help first responders, industrial technicians and other users maintain and charge up to eight Streamlight® 18650 USB rechargeable lithium ion ...

If you've owned a laptop for a few years, you've no doubt encountered the problem that the battery eventually loses its ability to hold a charge. Generally what happens is that one or more of the ...

With 18650 cells as cheap and plentiful as they are, you’d think building your own custom battery packs would be simple. Unfortunately, soldering the cells is tricky, and not everyone is willing to ...

You may want to double-check the dimensions of the 18650 you’re targeting for a design—a built-in protection circuit could extend it past the standard size. Since the late 1990s, the 18650 lithium-ion ...

A team of researchers in France has taken a major step towards powering our devices with rechargeable batteries based on an element that is far more abundant and cheaper than lithium. For the first ...