... Motor Speed Controller ESC 2.Brushless motor speed controller ESC 3.Offering amazing price and stable quality Details:Input Volt: 4V - 16VConstant Current: 20A, Max Current ... Weight)High rate PWM, Low resistanceSixteen cells Max (with BEC disabled), User programmable brakeLow voltage auto setting based ... adjusting, soft start ramp upAuto mot cut-off with reset, Runs mot in forward reverseSafe power ...