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 ...

Based on a Core Ultra Series 3 processor, the Prestige 14 Flip AI offers an unprecedented combination of 3D graphics power ...

Gaming laptop battery life is, by and large, rubbish. Or rather, trying to use a gaming-capable machine for a full day of work without charging it is, err, rubbish. I've hauled many discrete ...

Most cordless vacuums with strong suction power often have shorter battery life. But there are a few notable exceptions from manufacturers such as Dreame, Shark and Levoit. Our lab data reveals you ...

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

How we test laptops at ZDNET in 2026 ...

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 ...

Google is preparing a new battery-focused feature for Google Photos that limits how often the app backs up files in the background. The feature, spotted in Google Photos version 7.59, introduces ...

How we test phones at ZDNET in 2026 ...