Axisflying Pro Eco 100A is a powerful controller that can handle current up to 100A and power up to 8S batteries. The controller is especially suitable for larger 10-15" drones. It features an aluminum heatsink for better heat dissipation. The heatsink also protects sensitive electronics from dirt. The controller includes a current sensor. An external electrolytic capacitor must also be connected to the controller. The controller has larger dimensions of 56x57x7mm. Make sure there is enough space in the frame. The mounting holes have a standard spacing of 30.5x30.5mm. The controller uses Bluejay firmware.