Speedy Bee F405 V4 55A BLHeli_S 30x30 Stack

  • $69.99
    Unit price per 


** Discontinued - New Version Here **

The Speedy Bee F405 V4 55A BLHeli_S 30x30 Flight Controller and ESC Stack include all the features a user would expect from a modern flight controller and ESC stack at an incredible price. The flight controller features the STM32F405 MCU, onboard 4-level battery life indicator, Micro-SD card slot for Blackbox logging, 4 groups of LED strip pads, DJI plug for digital quads, dual gyroscope power supply filtering, dual 5V & 9V BECs with up to 3A output, barometer, support for up to 8 motors, and built-in Bluetooth and WiFi for wireless configuration through the SpeedyBee App. The 55A 4-In-1 ESC now comes in an aluminum alloy heat sink for better heat dissipation and durability, features a built-in TVS protective diode, Japan-made TDK SMT capacitors, and even comes with a low ESR 1000uF capacitor.


  • MCU:  STM32F405
  • IMU(Gyro):  ICM42688P
  • USB Port:  Type-C
  • Barometer:  Built-in
  • OSD Chip:  AT7456E Chip
  • BLE Bluetooth:  Supported. Used for FC configuration (MSP should be enabled with Baudrate 115200 on UART4)
  • WiFi:  Supported
  • DJI Air Unit:  Two Ways:  6-pin plug or direct solder
    • Supports DJI O3/RunCam Link/Caddx Vista/Air Unit V1
  • Blackbox Micro SD Card:  Use SDSC or SDHC under 32GB
  • Current Sensor Input:  Supported
  • Power Input:  3S-6S LiPo
  • 5V Output:  9 Groups of pads - Load is 3A
  • 9V Output:  2 Groups of pads - Load is 3A
  • 3.3V Output:  Supported - Load is 500mA
  • 4.5V Output:  Supported - Load is 1A
  • ESC Signal:  M1-M4 on bottom, M5-M8 on front
  • UART:  6 Sets
  • ESC Telemetry:  UART 5
  • I2C:  Supported
  • LED Pads:  Supported
  • Buzzer:  BZ+ and BZ-
  • Boot Button:  Supported
  • Firmware:  Betaflight, iNav
  • Target:  SPEEDYBEEF405V4
  • Mounting:  30.5x30.5mm
  • Dimensions:  41.6x39.4x7.8mm
  • Weight:  10.5g


  • Firmware:  BLHeli_S J-H-40
  • Wireless Configuration:  Speedybee App
  • Continuous Current:  55A * 4
  • Burst Current:  70A (10 seconds)
  • TVS Protective Diode:  YES
  • External Capacitor:  1000uF Low ESR included
  • ESC Protocol:  DSHOT 300/600
  • Power Input:  3-6S LiPo
  • Power Output:  VBAT
  • Current Sensor:  Supported (Scale=400, Offset=0)
  • ESC Telemetry:  Not Supported
  • Mounting:  30.5x30.5mm
  • Dimensions:  45.6*44*8mm
  • Weight:  23.5g

Speedy Bee F405 V4 Stack

Speedy Bee F405 V4 55A Stack

Speedy Bee F405 V4 Stack

Speedy Bee F405 V4 Stack

Speedy Bee F405 V4 Stack

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