15kg 1.5hours endurance Y20

Hybrid powered drone Y20 achieved 1.5 hours endurace with 15.4 kgs payload on January 14th, 2021.
The drone consumes standard gasoline fuel. No battery replacement is needed. It has much endurance and low temperature ability than pure battery drones.
Designed and made by Richenpower
https://www.richenpower.com/