BetaFPV Whoop F405 V3 2-4S AIO Whoop Flight Controller w/ 20A 4in1 ESC

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The 20A F405 AIO FC bright board thickness from 1.6mm to 1.2mm, which reduced the weight to 5.3g while improving the ability of the ESC to continuous current 20A. Now you can build a bigger quad with powerful FC to save weight and size such as the Beta95X Digital VTXBeta95X V2 and Beta95X HD Digital VTX. What's more, this FC has upgraded to V3 version, the V3 board increases 2 Plug & Play Ports for both digital VTX and Rx, less solder work needed, easy to install. 

Check out all our Whoop/Toothpick FCs, and all our BetaFPV products!


  • Updated the F411 chip to F405, this new board can handle 20A continuous current(22A burst), gives the pilots a powerful flight.
  • Come with 2 integrated Plug & Play Ports for both digital VTX and Rx, less solder work needed, easy to install.
  • Completed the traditional mounting hole, more like the Toothpick type, perfectly prevent the damping pad from falling off, which is the super-easy installation in most whoop frame.
  • In addition, start with this board, BETAFPV will organize the serial port of 12A/20A FC as a unified format, all the same as this board, more convenient for the pilots' soldering work.
  • Compatible with 110X, 120X, 140X motors, pilots can build a bigger quad with this powerful FC to save weight and size such as the Beta95X Digital VTX, Beta95X V2 and Beta95X HD Digital VTX.


Flight Controller

  • CPU: STM32F405RGT6
  • Six-Axis: MPU6000
  • Size: 26mm x 26mm
  • Firmware version: Batefight-BETAFPV405-4.2.X
  • OSD: Built-in BetaFlight OSD (STM32 controls OSD chip over SPI in DMA mode)
  • Receiver: Support Frsky XM/XM+ Receiver/ Futaba Receiver/ Flysky Receiver/ TBS Crossfire Receiver/DSMX Receiver
  • Support programmable LED like WS2812 etc
  • Built-in current sensor
  • Weight: 5.3g


  • Support PWM,Oneshot125,Oneshot42, Multishot,Dshot150,Dshot300,Dshot600
  • Input voltage: 2S-4S Lipo
  • Continuous current: 20A
  • Peak current: 22A
  • Firmware: BLHELI-S G-H-25
  • Connector: XT30


  • 1x BetaFPV Whoop F405 V3 2-4S AIO Whoop Flight Controller w/ 20A 4in1 ESC - XT30

Status LED

There are 2 LEDs on the bottom of the board to indicate the status, including the Power LED ( Red), FC LED(Blue).




Power LED ( Red)


Power on

FC LED ( Blue )


Motor Armed

How to Connect the External Rx

This AIO board is specially designed the Plug & Play Port for the external Rx, and we have sent the 4-Pin connector for Rx in the package, pilots can enjoy less soldering work, super easy for installation. In addition, when you connect the different external Rx, there is one thing you should notice that the pad near the pin needs to be soldered as the following diagram.