In 2025, CNET tested the battery life of 35 phones, and our overall top performer is the iPhone 17 Pro Max. At a starting ...

In the old days, if a phone's battery stopped working, you could swap it out with a new battery. Now it looks like removeable batteries may be back.

You may never need to charge your phone again… A Chinese startup company Betavolt claims it’s developing a nuclear mobile phone battery that can last for 50 years. Here’s what we know about it.

Read this if you're constantly plugging in your device overnight.

Combining materials from discarded batteries and lignin creates groundbreaking composite compound.

Want to get the most battery life out of your phone possible? These phones have longer-lasting battery than the Galaxy S25+, ...

For more than a decade, smartphone users have built their days around battery anxiety. Charging cables, power banks and low-battery warnings became part of daily life. Now, something has quietly ...

Apple is reportedly eyeing a major battery upgrade for its next iPhone — one that will not only boost the per-charge efficiency but also pave the way for easier (and hopefully cheaper) repairs.

As I slipped the phone into the slot on top of the box, I heard a mechanical whirring coming from inside, almost like a printer. Instead of churning out paper, this tabletop device was equipping the ...