Lithium-ion batteries are increasingly being used to store power for electrical grids, but some localities are concerned ...

Positive Grid has launched Spark Edge, an all-in-one guitar amp and PA speaker that is compact, portable, feature-packed and might just have everything that the busking musician needs. The only thing ...

The beloved Spark line of amplifiers has grown exponentially in the last year, with Positive Grid launching everything from the new and improved Spark 2 to the well-received four-channel portable PA ...

A large lithium battery energy storage system operated by Key Capture Energy that can power 15,000 homes for two hours during outages or high demand sits surrounded by a fence in Blasdell, N.Y., ...

More and more, big arrays of lithium-ion batteries are being hooked up to electrical grids around the U.S. to store power that can be discharged in times of high demand. But as more energy storage is ...