The most important things to know when shopping for a cell phone.
The Galaxy S5 and earlier Galaxy smartphones had replaceable batteries and storage expansion slots. But the new GS6 says goodbye to that flexibility in favor of a sleeker design.
The new Galaxy phones have fast, wireless charging
The Roost Smart Battery packages Wi-Fi connectivity into a 9V package. Put it into your old smoke detector, and you'll know if it sounds no matter where you are.
StoreDot's sci-fi battery tech -- which charges a phone completely in mere moments -- should pop up in a smartphone before the year's out. And electric cars could be next.
Lawsuit accused Apple of luring away key engineers to work within a new battery division, fueling speculation that the iPhone maker has ambitions of developing an electric car of its own.
At Mobile World Congress 2015, Samsung unveiled its newest smartphones, the Galaxy S6 and Galaxy S6 Edge, and they're packing tons of new features. Check out the top moments from the event here.
The chipmakers both unveil new platforms to help smaller devices last a little longer.
The design on this less-expensive version of the XPS 13 isn't as slick, but battery life gets a big boost.
Let's take a moment to celebrate the longest-lasting tablets currently at the top of our list.