Apple’s AirTag is designed to run quietly in the background, helping you keep track of everyday items like keys, bags and luggage. Unlike many small trackers, an AirTag doesn’t need to be charged.

A broad new smartphone test has found that Apple devices lead the industry for battery life, with the iPhone 17 Pro Max ranking as the longest-lasting phone tested and Apple tied as the top overall ...

To combat rising lithium prices, Chinese battery manufacturers are pushing for new types of battery chemistries, including sodium-ion. CATL unveiled its first sodium-ion battery, “Naxtra,” during its ...

Leading global battery maker CATL and Changan Automobile unveiled the world’s first passenger EV powered by a sodium-ion battery on Thursday. CATL unveils world’s first sodium-ion battery EV CATL and ...

Chao Hu is at the School of Mechanical, Aerospace, and Manufacturing Engineering, University of Connecticut, Storrs, Connecticut 06269, USA. The second category, data-driven lifetime prediction, uses ...

Battery life tests carried out by CNET reveal that the iPhone 17 Pro Max has the best battery life of any of the smartphones tested, and that Apple heads the brand rankings across its models. Apple’s ...

A massive multiday power outage hit my San Francisco neighborhood in December. There were dark streets, stalled robotaxis, even discarded dough from local bakeries bursting from trash bins. My family ...

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...

Solid-state batteries could store more energy and charge faster than today’s batteries, but they tend to crack and fail over time. Stanford researchers found that a nanoscale silver treatment can ...

Expect to see new chemistries hitting the roads, a shifting policy landscape, and a renewed focus on cost and performance. MIT Technology Review’s What’s Next series looks across industries, trends, ...

Even as American automakers have scaled back their ambitions for electric vehicles, some are pivoting to a technology that could help boost renewable energy. By Claire Brown Last year was a tough one ...

You can run a report to check battery health in Windows 11. This report provides details on capacity, cycle counts, and more. If your battery is nearing the end of its life, it can be replaced. Have ...