Here’s how it works. When searching for the best laptops for battery life in your price range, you can't count on manufacturer claims about battery life: you need real data. That's why we put ...

Keep your iPhone powered up when you need it most with one of the best portable power banks, tested by our CNET tech expert. Executive Editor David Carnoy has been a leading member of CNET's ...

However, there is a lack of safe and reliable battery technologies to support the push toward ...