A battery test shows iPhone 17 gains are real but modest, with eSIM-only models likely lasting longer thanks to larger ...

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

For ZDNET's latest Lab Award, we tested the best phones to find out which one had the best battery life over time.

2025 brought big changes to the smartphone battery department, with manufacturers adding silicon-carbon batteries that massively increase capacity without increasing the size of the battery or, by ...

Total battery capacity is only one factor influencing actual device longevity. Lab tests demonstrate how different hardware components impact power consumption rates. Efficient processors and screen ...

The iPhone 17 Pro Max has outstanding battery life that easily lasts all day with charge to spare. Our exclusive lab data shows you don't need to pay over a grand for excellent battery life. The $829 ...

For all its many strong sides, the Samsung Galaxy S25+ doesn't have the best battery life. Which smartphone options on the ...

When it comes to the best smartphone battery life, nothing beats these two iPhones. One you can guess but the other might ...

What if the very feature that makes your smartphone so convenient, fast charging, is quietly wearing down its battery? It’s a concern that’s sparked countless debates among tech enthusiasts and casual ...

It is common knowledge that communicating over WiFi is more efficient than using the 5G cellular network, but by ...

Exclusive: The OnePlus 15 has the largest battery capacity of any phone sold in the US. And it's all because of silicon. As Managing Editor, I lead CNET's mobile team, covering news and reviews on ...