For those willing to put some elbow grease into it, there is an almost unlimited supply of 18650 lithium ion batteries around for cheap (or free) just waiting to be put into a battery pack of some ...

Lithium-ion batteries revolutionized the world when Sony brought them to the mass market in 1991. Compared to previous rechargeable battery technology, they were lighter, more energy-dense, last ...

They're in our phones, laptops and smartwatches—but lithium-ion batteries can be dangerous when damaged or overcharged.

As power utilities and industrial companies seek to use more renewable energy, the market for grid-scale batteries is expanding rapidly. Alternatives to lithium-ion technology may provide ...

No matter how much you take care of your Lithium-ion power tool batteries, they'll eventually wear out from use. Over time, they suffer from capacity loss, where they no longer hold the same amount of ...