Rapid growth in the installation of batteries is upending power systems across the United States, with battery-deployed electricity volumes scaling new records nearly every month.

Forward-looking: In a quiet corner of Beltsville, Maryland, a new chapter in battery technology is unfolding. Ion Storage Systems, a company that began as a university research project, has ...

Which phone has the best battery life and charging? I tested more than 20 phones to find out, here's how the best phones compare.

BYD started testing a solid-state battery in the Seal sedan, capable of adding over 900 miles of range in 12 minutes of charging ...

These surprising apps are firing up enormous server farms miles away, processing data nobody asked for, and quietly killing your phone's battery, says one expert.

The U.S. invested in EV battery plants. Now they may be stranded. As EV sales slow and Republicans take aim at tax credits, the United States’ manufacturing renaissance is on hold.

AESC poured billions of dollars into electric-vehicle battery factories before stopping work.

America’s top battery brands are locked in a power struggle over battery life claims.

Battery companies are slowing construction or reconsidering big investments in the United States because of tariffs on China and the proposed rollback of tax credits.

Tired of your Pixel 9 dying too fast? These battery life tips actually work—no performance sacrifices or app purging required.

Fix the broken battery charge indicator on your Switch 2, and you won’t have to worry so much about battery life anymore — because that worry might not be informed by accurate readouts.