VTT Test Donut Lab Battery Reaches 80% Charge in Under 10 Minutes [pdf]
Summary
The article reports on Donut Lab commissioning VTT to independently test its Donut Solid State Battery. It highlights a fast-charge result of 0–80% in 4.5 minutes at an 11C rate with stable thermal behavior, under controlled conditions, and notes that full reports and video documentation will be published. The piece frames this as third-party validation of performance claims.