We took the major laptop processors (so far) in 2025 and asked them to stream "One Piece" from Netflix until they ran out of ...

Apple is known for touting the “all-day battery life” of its smartwatches, but what does that really mean in practice? To cut through the marketing claims and get to the truth, HotshotTek conducted an ...

During testing, the solid-state cell sustained an 11C charging rate. The battery reached 80 percent charge in 4.5 minutes and ...

After making waves at CES with what it claims is the world’s first production-ready all-solid-state battery for vehicles, Donut Lab is now backing those bold promises with independent lab testing, and ...

In this video, filmed at the NETA PowerTest 25 show, Ellen Parson interviews Joseph Aguirre with Spark Testing North America on recent updates in stationary battery testing in the renewable space. In ...

Battery life remains a crucial factor when selecting a smartphone, especially as modern devices demand more power to support advanced features and applications. This comprehensive analysis evaluates ...

You might be reading this on a device that has one – lithium-ion batteries are in just about every new device we use today. Because of that, and with many of those tools and toys likely on the ...

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

The new Pixel 9a might appear an unassuming mid-range phone at just $499, but it actually packs Google’s largest-ever battery into a 6.3-inch form factor. The 9a’s new 5,100mAh cell is a significant ...

We've tested the best phones you can buy in the US alongside many popular mid-range and budget models. One of the most important and objective tests we conduct is a standardized battery test. We're ...

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