MagiDeal 7.2V-16V 320A High Voltage ESC Brushed Speed Controller for RC Car Boat 100% Brand New and High Quality. The best high-pressure brush ESC 320A Brush ESC upgrading product level sports car monster truck climbing vehicles of various ship models to upgrade the speed necessary. With this power transfer would not have to worry about slow tram Motor Boats only need to replace the original power transfer.