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 ...

French researchers have announced a prototype of an 18650 sodium-ion battery ... (18 mm in diameter and 65 mm long). The batteries usually use lithium-ion technology. However, lithium isn ...

"Elegant" is important for successful innovation, as two recent energy examples show. In one an elegant advance appeared out of the blue, surprisingly, unexpectedly, rapidly dominating the competition ...

The standardized battery pack will contain 24 of South 8’s Arctic™ LiGas 18650 cells ... and cost of Li-ion batteries, providing high performance in extreme cold weather.