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

When buying a portable speaker, it is necessary to find the balance between raw power and real-life functionality. During my time testing audio equipment, I have realized that the loudest options are ...

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 ...

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

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

How we test laptops at ZDNET in 2026 ...

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 ...

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

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

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 ...