This flight test was notarized by the Guangzhou Notary Office. (EH216-S completed a continuous flight test with solid-state battery, which is recorded and notarized by the officials of the Guangzhou Notary Office) (EH216-S completed a continuous flight test with solid-state battery,

EHang successfully completed the world's first solid-state battery test in a pilotless passenger-carrying eVTOL, boosting endurance to 48 minutes. Over the course of the past year, EHang and Inx have worked together to create several versions of the battery.