CCD testers are essential in electronics manufacturing for inspecting components, verifying assemblies, and ensuring product ...

I put the Nintendo Switch 2 and the Steam Deck OLED to the test to determine which gaming handheld offers better battery life ...

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

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 ...

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 ...

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

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 ...

How we test laptops at ZDNET in 2026 ...

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

How we test phones at ZDNET in 2026 ...