ENGEngadgetNegative
Donut Lab's battery claims reportedly subject of whistleblower complaint
A whistleblower complaint has reportedly been filed against startup Donut Lab concerning its claims about solid-state battery technology. The complaint alleges that Donut Lab has overstated energy density and longevity, and lacks the claimed production capacity. Donut Lab and its manufacturing partner Nordic Nano deny the accusations, stating the complainant lacks sufficient knowledge.