Lowe's dropping mega deals on DEWALT tools before Christmas and you don't have to wait long to scoop up two free 20V Max ...

Review of Vatrer's compact 48V 105Ah mini lithium battery. Fits tight spaces, delivers 50-mile range, charges in 6 hours.

Whether you need a simple drill/driver kit or a huge collection of power tools, The Home Depot has Ryobi options on sale for Black Friday.

Walmart has become somewhat of a hub for Milwaukee tools these days, and during the retailer's big Black Friday sale, it's also become a great place to score a deal. Walmart has dropped the prices on ...

Are lithium batteries sustainable enough to fulfill the dream of the electric-car revolution? The batteries propelling electric vehicles have quickly become the most crucial component, and expense, ...

Wesley Chang is an assistant professor of mechanical engineering and mechanics at Drexel University. Rechargeable batteries are great for storing energy and powering electronics from smartphones to ...