We ran battery tests on 9 popular tablets - this model lasted the longest (and other surprise results) ...

I put the OnePlus 15R, and two other Androids, through some serious battery tests to prove just how much of a battery beast ...

We've tested hundreds of laptops to find the ones that last the longest between charges. These battery-life champs will easily take you through a day of work or school, plus an evening's entertainment ...

The iPhone 17 series introduces a blend of hardware and software enhancements aimed at improving battery performance, but the results vary significantly across its models. While the Pro Max model ...

Battery life remains a critical factor for smartphone users, directly influencing how devices are evaluated in terms of usability and overall performance. To better understand how modern smartphones ...

I Tested the New $300 Moto G Power: Great Battery Life but Not Enough Elsewhere ...

How we test laptops at ZDNET in 2026 ...

We've tested Intel's Panther Lake flagship laptop chip, the Core Ultra X9 388H, and we're very impressed with the Core Ultra ...

How we test phones at ZDNET in 2026 ...