VGOOD Capacitor Power Box S1 16.7F 5-8.4V Saver Rescue Module for RC Helicopter blue

Description

Capacitor Power Box S1, When the BEC of the ESC(of helicopter/airplane) does not work, the Capacitor will supply power to receiver, gyro, servo,etc, to make sure that the RC models would not lose controlling. The voltage of capacitor will drop when supplying power to these equipment, better to set low-voltage clarm, landing before it crashs to the ground.