The V-Coptr Falcon is a bi-copter drone that has a 50-minute battery life: Digital Photography Review
UDI Drone RC U842 Falcon Quadcopter Drone HD Camera 6 Axis Gyro Flipping 2.4ghz Ready to Fly w/ (3)Batteries + 4G Memory Card (White)
Amazon.com: Altair Falcon AHP | Drone with Camera for Beginners | FREE PRIORITY SHIPPING | Live Video 720p, 2 Batteries & Autonomous Hover & Positioning System Easy to Fly, FPV (Lincoln, NE
GOFLY-RC Falcon CP90 Pro Mini RC FPV Racing Drone
Amazon.com: V-COPTR FALCON Intelligent Flight Battery for V-Coptr FalconBi-Copter Drone, 4500 mAh, Upto 50 Min Flight Time : Toys & Games