Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

One homeowner recently found out exactly what their home battery system was capable of during a severe storm blackout.

Minute Power Play Charging an EV as fast as a gas tank fill-up is the industry’s holy grail. BYD claims it has finally ...

When it comes to picking up a new gaming machine, I am always asking myself, should I get a desktop or a laptop? The answer ...

Slim gaming laptops are a rare breed, and Acer's Predator Helios Neo 16S AI (starts at $1,599.99, as tested) tries to bring ...

Following intense industry criticism, Donut Lab presents third-party data showing high C-rate charging and stable discharge ...

With component prices on the rise, it's never been more important to choose the right laptop for the long haul. Our latest audience survey reveals the PC manufacturers that rise to the top, as well as ...

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 ...

This video puts the iPhone 17 through an extended battery test designed to mirror real-world usage. Screen time, background tasks, and performance demands are pushed consistently over many hours. As ...

Hithium has released results from a large-scale fire safety test of its 6.25 MWh “∞Power” battery energy storage system, with an open-door configuration supervised by UL Solutions to assess thermal ...

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 ...