Amazon.com: SUCIE 120A Brushless ESC, Waterproof 2-4S Electric Speed Controller Programmable ESC with 9 Level Acceleration, Dustproof XT60 Plug RC Brushless ESC for 1/10 1/8 RC Car : Toys & Games
Amazon.com: Hobbypower 30a Brushless Speed Controller ESC for X525 Multicopter Helicopter Airplane : Toys & Games
Amazon.com: Electric Speed Controllers, Fancheng 2 4S Lipo 40A Brushless ESC BEC 5V / 3A with UBEC for Drone Quadcopter Parts Brushless Motor Electric Speed Controller : Toys & Games