French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve bought ... but it maps to the cell size (18 mm in diameter and 65 mm long). The batteries usually use ...

The advancement was inspired by the growing demand for higher battery energy density, making the development of high-voltage ...

So [Travis] decided to upgrade it to make use of the ever-so-common, 18650 lithium-ion battery. Not looking to purchase any components [Travis] performed this hack using simple recycled household ...

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 ...

Overheating batteries are a serious risk, in the worst cases leading to fires and explosion. A team including researchers from the University of Tokyo has developed a simple, cost-effective method to ...