Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...

CNET Survey Finds US Adults Want Phones With Better Battery Life, but Can They Afford to Upgrade?

Scrolling and streaming suck plenty of power on today's Android phones. Here's how to squeeze the most juice out of your battery, including a new option to monitor battery-hungry apps.

Rechargeable batteries are everywhere—from portable electronic devices and electric vehicles to renewable energy storage.

The Oukitel WP63 was certainly one of the most interesting phones at MWC 2026, complete with a fire starter, a huge battery, and Android.

Did the Bluetti Pioneer Na keep working in the freezing cold when most batteries would give up? I tested it to find out.

You probably take your phone everywhere you go. So how do you end up misplacing it? Easy! We get too busy to remember where everything goes sometimes. That includes your iPhone. But don't worry, ...

Smartphone batteries have been getting bigger and bigger, meanwhile Samsung Galaxy devices have been completely stagnant with ...