Is anyone giving or receiving a holiday gift labeled "batteries not included"? We thought so. Listen up: We tested 15 AA batteries ... that the batteries aren't rechargeable.

Amid the global pursuit of next-generation secondary battery solutions to replace current lithium-ion technology, Korean researchers have pioneered a lithium composite material that dramatically ...

Lithium batteries are produced as either primary (disposable) or secondary (rechargeable) batteries. All batteries have positive and negative terminals, marked (+) and (-) respectively, and two ...

Demand for rechargeable batteries ... what happens in a lithium-ion battery that’s discharging is similar to what happens in the familiar AA battery that has been powering devices for years.