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.

Defects like negative anode overhang and bad edge alignment don’t mean an affected battery is guaranteed to explode or catch ...

Nanograf Technologies proves once again that it's the leading company when it comes to lithium-ion batteries. Recently, it has achieved another breakthrough on the energy-density milestone of its ...

Chicago-headquartered NanoGraf Technologies today announced a major battery breakthrough. It claims it has enabled the highest energy density cylindrical 18650 Li-ion cell in the world. The company ...

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 ...

Lithium-ion cells deliver very high energy densities compared to many other battery technologies, but they bring with them a ...

The Rekon3 is all about simplicity and convenience! This tiny quad is designed around a single, standard 18650 Lithium-Ion cell. You insert the battery just like you would in a tv remote and ...

Developers or hobbyists searching for a Raspberry Pi UPS expansion board complete with real-time clock (RTC) and 5V output serial port may be interested in the UPS-18650 now available via Tinder for ...

This production level supports the manufacturing of up to 1.5 million HPQ ENDURA+ and/or NOVACIUM-branded 18650 lithium-ion battery cells annually. “Our ability to produce sufficient material for over ...

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 ...