ZDNET's key takeaways Total battery capacity is only one factor influencing actual device longevity.Lab tests demonstrate how ...

After the release of iOS 26.2 and iOS 18.7.3 to the public, a new video has put both updates to the test. With battery life ...

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 ...

The battery capacities of the three devices are as follows: Galaxy Z Fold 6: 4,400 mAh Galaxy Z Flip 6: 4,000 mAh Galaxy S24 Ultra: Larger capacity (exact value not specified) To assess the battery ...

Is the OnePlus 15 worth paying Rs 25,000 more than the OnePlus 15R? Our six-hour battery drain test reveals how close these ...

Its solid-state batteries are already showing promise with real-world tests delivering over 745 miles of range on a single ...

We test every laptop we review in our testing lab, and of the 100+ laptops we reviewed in 2025 these 10 lasted the longest ...

At the BDC-Testing Center in Rochester, N.Y., batteries and energy storage systems are tested for performance, durability, and safety in a modern 18,000+ square foot facility. The test center is an ...

Modern electronic technologies like smartphones, laptops, and electric vehicles (EVs) are in high demand. As these technologies evolve with more and more functionalities, the demand for better, more ...

The battery is perhaps the most important aspect of your car that's always overlooked, and these five are notably ones you'll ...

A recent uptick in battery-related fires has drawn attention to the challenge of identifying defects that can cause these catastrophic malfunctions, but are rarely obvious to the naked eye. In hopes ...