The DeWalt 20V Max 4Ah Lithium Ion Battery is on sale for only $51, which is a whopping 70% off the original $169 price tag.

The lithium technology startup backed by Rio Tinto plans to test a process that could help unlock untapped lithium sources in the U.S. and lessen China’s grip on global refining of the battery metal.

Since we often rely on our mobile devices to shop, communicate, travel, and more, it's paramount to keep our phones' batteries charged. However, most of us can't stay tethered to a wall outlet.

In a significant advancement for energy storage technology, U.S. Army scientists have unveiled a novel surface treatment ...