We can produce various speed controllers including, 3A ESC, 6A ESC, 10A ESC, 20A ESC, 30A ESC etc Input voltage—DC 6-16.8V(2-4S ... Lixx)BEC—5V 2ampRunning current—20A(Output— Continuous 20A, Burst 25A ... can be chosen. 20A 30A or 40A Electric Speed controller/ESC