Discover three creative DIY projects using everyday household items in this tutorial. Learn how to make a pen LED flashlight, ...

Does Bluetooth drain your battery? All wireless technologies need power, but are the claims of high power consumption overblown? Despite advancements in Bluetooth technology, it’s still a pretty ...

Replacing a car battery was one of the first things I learned to do on a car. I’ve probably replaced a dozen batteries under various conditions—in my garage, outside in the snow, in a store parking ...

Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to PCMag, ...

Lithium & Battery Tech ETFs give investors exposure to companies that benefit from demand for lithium-ion batteries. These batteries power smartphones today and are increasingly used in electric ...