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.
The Autopian on MSN
The world’s first production solid-state EV battery was independently tested again and the biggest questions still aren't answered
Roughly three months ago, electric motorcycle startup Verge Motorcycles announced something huge, claiming its updated Verge ...
Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.
Donut Lab has had the world's first solid-state battery ready for production vehicles measured in independent testing ...
VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...
As part of its 'I Donut Believe' campaign, Finnish battery developer Donut Lab has published further independent test results for its disputed solid-state ...
Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...
World's most advanced power battery works with world's fastest mass-produced EV charger to make recharging as easy as ...
Flagship smartphones differ significantly in their battery capacities and underlying technologies. The Samsung S26 Ultra, iPhone 17 Pro Max, and Google Pixel 10 Pro XL are equipped with batteries in ...
We took the major laptop processors (so far) in 2025 and asked them to stream "One Piece" from Netflix until they ran out of ...
Interesting Engineering on MSN
Donut Lab’s solid-state battery keeps 97.7% charge after 10 days in third test
Finnish startup Donut Lab has just released the third independent test of its solid-state ...
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