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 test dozens of laptops every year here at ZDNET: from the latest MacBooks to the best Windows PCs, aiming for a dual ...

Review: The 2026 budget Motorola phone lasts for two days on a single battery charge, but it's not more powerful than others ...

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 ...

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

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 ...

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

The evolution of the iPhone since 2007 has brought the world's first smartphone a long way. If Steve Jobs could see the iPhone of today, he might shed a tear of joy — or roll in his grave, who knows — ...

From battery tests to capturing photos in various lighting conditions, here's how ZDNET's mobile team evaluates the latest handsets before they're recommended to you.