Acuvance Electronic Balancer COA 5GAcuvance (#OP15034) Electronic Balancer COA 5G Feature: It is a device specialized in the rectification action of the electric current of the electronic equipment such as ESC, Battery and servo Powerful acceleration from mid speed to high speed zone, improved chassis controllability, and more direct and dynamic throttle feeling It controls a voltage change running by the stabilization action of the battery voltage Suitable for Drift, On road, Off road