Amazon.com: Watercooled ESC, Waterproof Brushless ESC 60A Water Cooling Electronic Speed Controller with 5V/3A UBEC for RC Boat Models Part : Toys & Games
Amazon.com: AGFRC 13A RC ESC Athlon Run Brushless Electronic Speed Controller 2-4S Lipo with 5V/2A BEC for Helicopter Fixed Wing Plane : Toys & Games
Parts & Accessories 40A ESC OPTO 2-6S Brushless ESC Electronic Speed Controller for F450 X500 S500 ZD550 ZD680 RC Helicopter Quadcopter - (Color: 4X ESC with Wires)