We'll remember 2025 as the year phones started lasting more than 20 hours on the very demanding Tom's Guide battery test, suggesting the era of multi-day battery life is dawning.

Among this year's top-performing Android phones, here's the model that lasted the longest in my endurance tests.

Samsung SDI is rumored to be testing a dual-cell 20000mAh silicon-carbon battery that could power ultra-long-lasting smartphones.

I looked at three years of exclusive CNET data of iPhone performance to find out which models hold their charges best. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...

Samsung has reportedly tested a 20,000mAh silicon-carbon battery, but there's bad news if you want a Galaxy phone with this ...

We’ve seen 7,000mAh and 8,000mAh packs becoming mainstream, and Honor even crossed the once-unthinkable 10,000mAh mark.

Exclusive: The OnePlus 15 has the largest battery capacity of any phone sold in the US. And it's all because of silicon. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...

Every year, we test dozens of Android phones and have found the best smartphones you can buy. The best Android phones come with years of software and security updates, great cameras, a powerful ...

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 ...