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.

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 ...

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 ...

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 ...

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 ...

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 ...

An NBC News investigation found that 18650 lithium ion batteries that can cause a fire hazard if sold individually are being sold on multiple major websites. A powerful lithium ion battery that ...

It sounded like a crazy idea back in the early 2000s, using “laptop batteries” to power the Tesla Roadster. In fact however, it was quite sane. Panasonic’s 18650 battery cell was an industry standard ...

Tesla’s battery supplier Panasonic is considering switching 18650 battery cell production lines, which currently supply cells for Tesla’s Model S and Model X, to 2170 cell production, according to a ...