A frozen car battery can explode if you try to jump-start it. Look for a swollen case before connecting cables—and know how to thaw it safely first. Swollen or deformed battery cases signal freezing; ...

Some of the newest Android phones can last for days on a single charge, even without adjusting settings to extend battery life. Cutting-edge technologies like silicon-carbon power cells continue ...

It was time for a family photo at a recent holiday gathering in Flat Rock when a young person whipped out a portable lithium-ion battery with a solar panel as their parent's phone showed low battery.

That old smartphone buried in your junk drawer might be doing more than collecting dust. If its back panel is bulging, its screen is lifting away from the frame, or the case feels unusually warm, the ...