Chinese eVTOL manufacturer EHang (NASDAQ: EH) has completed the first autonomous flight test of a solid-state battery-powered passenger aircraft, marking a technical milestone in electric aviation. The EH216-S aircraft flew continuously for 48 minutes and 10 seconds, surpassing previous endurance estimates of 25 minutes. Technical Specifications and Performance The solid-state battery, developed in partnership with Shenzhen-based Inx Energy Technology, employs metallic lithium as the anode and oxide ceramics as the electrolyte. The battery achieves an energy density of 480 Wh/kg and operates in temperatures from -40°C to 150°C. This configuration has demonstrated a 60-90% increase in flight endurance compared to … Continue reading EHang’s Solid-State Battery eVTOL Surpasses Endurance Estimates with a 48-Minute Autonomous Flight Test