After testing dozens of power stations, the Bluetti Apex 300 is my pick to turn my off-grid dream into a reality.

I salvaged a large batch of 18650 cells from old laptop batteries and needed a way to figure out which ones were still worth ...

Samsung's Exynos 2600 is the world's first 2nm smartphone chip, and that's genuinely impressive. It's just not enough to outrun Qualcomm's Snapdragon 8 Elite Gen 5 in battery efficiency.

Donut Lab’s solid-state, lithium-free battery has undergone a second round of independent testing, revealing both promising results and critical gaps. Conducted by Finland’s VTT research center, the ...

The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, according to its first independent test. The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, ...

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 ...

The power capacity of utility-scale batteries rose from below 10 GW in 2019 to more than 120 GW in 2024, according to the Electricity 2026 report from the Paris-based International Energy Agency (IEA) ...

iPhone 17 Battery Test: Real-World Results Challenge Apple’s Big Claims Your email has been sent When Apple unveiled the iPhone 17 lineup, it talked up major battery gains. But a side-by-side test ...

It is common knowledge that communicating over WiFi is more efficient than using the 5G cellular network, but by how much exactly? That’s exactly what PhoneBuff set out to measure in its latest ...

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 ...

Advantest Corp. seeks to speed up its production capacity expansion plans for chip testing equipment, a sign of upbeat sentiment around spending on artificial intelligence hardware. The chip equipment ...