Hello there Gaz. Thank you for reaching out and for these information that you have given. The DJI FPV ( https://www.dji.com/dji-fpv?site=brandsite&from=nav ) when fully charge has a Maximum Flight Time of Approximately 20 mins. ( measured while flying at 40 kph. in windless conditions ) and a Maximum Hover Time of Approximately 16 mins. ( measured when flying in windless conditions ). Thank you.