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

With a bigger frame leaving more room for a battery than its predecessor had, you'd imagine iPhone 16e battery life would take a big leap forward from the last iPhone SE model. And it does — but Apple ...

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 ...

How we test laptops at ZDNET in 2026 ...

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

Battery life remains a critical factor when selecting an iPhone, influencing daily usability and long-term satisfaction. This analysis evaluates the battery ...

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 ...

Is Google Photos draining your battery? A new leak reveals a feature that stops background uploads from killing your power.

My “unicorn” Volvo V90 plug-in hybrid wagon is almost four years old. Here’s how healthy its high-voltage battery is.

Momodou Wurry Jallow, an electrical engineering major at Alfred University, gives a demonstration on battery testing equipment installed in a lab in the McMahon Engineering Building. The demonstration ...

How we test phones at ZDNET in 2026 ...