300A ESC Speed Controller For Boat brushless motor High Voltage for RC Boat #1844. 300A ESC Speed Controller For Boat brushless motor High Voltage. Lithium battery : 3s -16s. Without BEC (The receiver needs battery box power supply). 300A High Voltage electric adjustment. Apply to: 1.4 meters and above catamaran. And 56 motor use. 100% […]