ZDNET's key takeaways Total battery capacity is only one factor influencing actual device longevity.Lab tests demonstrate how ...

We test every laptop we review in our testing lab, and of the 100+ laptops we reviewed in 2025 these 10 lasted the longest and deliver the best bang for your buck in terms of power efficiency.

The first iPhone 16 reviews showed that all four models deliver great battery life. They'll last a full day with relative ease, with the larger models potentially lasting well into a second day, ...

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 ...

After the release of iOS 26.2 and iOS 18.7.3 to the public, a new video has put both updates to the test. With battery life ...

A recent battery drain test compared the performance of 10 flagship smartphones, including the Galaxy S25 Edge, iPhone 16 Pro Max, Vivo X200 Pro, and others. This test provided valuable insights into ...

Apple's MacBooks have dominated in battery life in recent years, but this situation is undergoing a change now that Windows laptops, in addition to Intel and AMD, have a third CPU option: Qualcomm's ...

Is the OnePlus 15 worth paying Rs 25,000 more than the OnePlus 15R? Our six-hour battery drain test reveals how close these ...

Qualcomm’s sales pitch for the Snapdragon 8 Elite is performance, performance, performance. Whether you’re playing games, running the latest AI tasks, or simply using the new Oryon CPU to flick ...

Pixel Watch 3 (left), Galaxy Watch 7, and Apple Watch Series 10 Nirave Gondhia / Digital Trends One of the biggest reasons that Ultra watches like the Apple Watch Ultra 2 and Galaxy Watch Ultra appeal ...

Tablets and Ultrabooks are on the rise and Windows-on-ARM (WOA) tablets are on the horizon. For Windows 8 to succeed in today’s — and tomorrow’s — market for both low- and high-powered portable ...

I've covered the iPhone 16 battery life extensively in the past few weeks. Battery life is one of the things I'm interested in the most this year. It's one reason to go for the iPhone 16 Plus instead ...