SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC)

The SpeedyBee F4 3-6S 20x20 Stack/Combo (F405 FC / 35A 8bit 4in1 ESC)! Experience feature-rich performance and an unbeatable price for a 20x20 stack. Utilizing an upgraded F405 flight controller chip with better performance than the F411, it features a built-in Bluetooth chip for seamless wireless Betaflight tuning. The board comes with a 4-level battery voltage display, built-in barometer, and supports connectivity to all DJI Air Units. It offers 4 available UART ports, and a dual BEC setup with 5V 2A and 9V 3A outputs. This ESC provides four synchronized outputs with a continuous current of 35A, delivering strong power to drive all 2-4 inch and lightweight 5-inch quadcopters via 4-6S battery. Equipped with a TVS transient suppression diode onboard, it better absorbs surge voltage, providing enhanced protection for the ESC. Check out all our 20x20 stacks, and our SpeedyBee products!   Features User Manual DJI compatible  Feature-rich Budget-friendly price point Compa