James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...

Matt Elliott is a senior editor at CNET with a focus on laptops and streaming services. Matt has more than 20 years of experience testing and reviewing laptops. He has worked for CNET in New York and ...

A battery is a device that stores energy in chemical form and can convert it into electric energy through electrochemical reactions. In single-crystal layered lithium nickel manganese cobalt oxides, ...

This profile has not been claimed by the company. See reviews below to learn more or submit your own review. DieHard Batteries manufactures automotive batteries. Its product line includes batteries ...