On November 14th, Southern Finance learned from Yihang Intelligence that its EH216-S uses solid-state batteries to complete a single uninterrupted flight endurance test, reaching 48 minutes and 10 seconds. Compared with previous liquid batteries, the endurance time is increased by 60% to 90% for different flight needs. This is also the world's first eVTOL equipped with solid-state batteries for flight testing. It is reported that the high-performance solid-state lithium battery has an energy density of 480Wh/kg. (21st Century Business Herald)