A fire at one of the world's largest battery plants in Northern California contained tens of thousands of lithium batteries that store power from renewable energy and have become a growing electricity ...

When temperatures drop, car batteries become less reliable. Cold weather slows down the chemical reactions inside a ba ...

Redmi is reportedly prepping a 7,500 mAh battery for its next budget phone. The tech is already out there, and it doesn't take a toll on the charging pace.

So while it has been easy to make lithium-sulfur batteries, their performance has tended to degrade rapidly. But this week, ...

We've seen phones with some big batteries in recent times, but it sounds like a major player could up the ante in a massive ...