The vast majority of our portable electronic gadgets, and the new wave of electric transportation, are powered by lithium batteries. Texas-based startup Group1 has developed a more sustainable ...

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 ...

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 ...

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 ...

The U.S. Consumer Product Safety Commission warned consumers against purchasing 18650 batteries — which are often used to power vapes and other small devices — due to the risks associated Jason Hahn ...

Chicago-headquartered NanoGraf Technologies, which claims it has enabled the highest energy-density cylindrical 18650 Lithium-ion cell in the world, today announced that its battery has achieved a new ...

Maglite’s used(?) 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 ...

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight and size. So instead of flying for 15 min, now you can fly for 45 min.

Lithium-ion (li-ion) batteries are everywhere. They are in personal electronics, power tools, micro-mobility devices, electric vehicles (EVs) and energy storage systems (ESS). Researchers around the ...