A recycler in Vernon melted down pallets of lead-acid car batteries for a century and there is still lead in people's yards ...

Carrier has cleared a federal efficiency evaluation for a battery-backed heat pump under the U.S. Department of Energy’s ...

The dramatic video captures the moment a lithium-ion battery fire breaks out inside the e-bike business. Within minutes, the owner responds using eFireX, knocking down the fire and preventing what ...

Our lab data proves you can find top-performing cordless vacuums with long-lasting batteries and strong suction without breaking the bank. Ajay has worked in tech journalism for over a decade as a ...

Donut Lab has released its third independent test report from VTT, the Finnish Technical Research Centre, and it confirms another claim: the solid-state battery retains 97.7% of its charged capacity ...

During CES 2026, Donut Lab claimed it had built a solid-state battery that promised unprecedented energy density, longevity, and charging performance. Skeptics demolished Donut Lab's claims, but the ...

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 ...

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 ...

Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. With iOS 18, Apple introduced a feature that ...

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 ...

During testing at Estonia’s 100 MW Kiisa battery park, both EstLink 1 and EstLink 2 tripped, triggering the most severe disturbance to the regional power grid since desynchronization from the Russian ...