Between Amazon’s Big Spring Sale, Target’s Circle Week, and more, spring sales are a thing — and we’ve found the best deals ...

Amazon's third annual Big Spring Sale runs through March 31, and while we saw a few early deals last week, the main event is ...

Are you listening? If the answer is no, you might need new headphones, and luckily, Amazon’s Big Spring Sale, which runs from ...

There was speculation that Donut Lab’s battery was able to discharge energy so quickly because it was a supercapacitor in disguise. So the startup set out to disprove that claim. There was speculation ...

The Finnish startup’s battery not only survived extreme heat conditions, it actually gained capacity. The Finnish startup’s battery not only survived extreme heat conditions, it actually gained ...

Donut Lab has released a second set of independent test results for its controversial solid-state battery — this time proving the cell can discharge at extreme temperatures up to 100°C and actually ...

PCWorld tested laptop battery life across major processor platforms using a new Netflix streaming benchmark with the anime ‘One Piece’ at 1080p resolution. Intel Lunar Lake achieved the longest ...

Donut Lab says it will release independent lab tests on its production-ready solid-state batteries over the next several weeks. Skepticism abounds after the company announced at CES that it had a ...

Amazon must face a former applicant’s charge that he was not properly notified of his rights under Massachusetts law concerning lie detector tests when he was required to take a “workstyle assessment” ...

2025 brought big changes to the smartphone battery department, with manufacturers adding silicon-carbon batteries that massively increase capacity without increasing the size of the battery or, by ...

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 ...