VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

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.

World's most advanced power battery works with world's fastest mass-produced EV charger to make recharging as easy as ...

Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

Battery-powered devices are prevalent in society, which is only set to increase significantly as the electric vehicle market expands. This results in demand for higher-powered, longer-lasting, and ...

Independent testing shows Donut Lab’s solid-state battery survives extreme heat and retains performance at temperatures up to 100°C.

C, electric car owners quickly notice it in their wallets. But is it just a matter of driving with the heat on full blast?

Infrared (IR) temperature measurement plays a key role in ensuring the safety and optimal performance of batteries across a wide range of applications. Accurate temperature control is particularly ...

Writer and occasional reluctant perpetrator of engine swaps, James O'Neil is a malaise era enthusiast and also fascinated by the many ways the auto industry has since recovered from those dark days.

Finnish startup Donut Lab has just released the third independent test of its solid-state ...