SKU: 60619448184

SpeedyBee F405 V4 BLS 55A 30x30 FC&ESC Stack

$98.99 $109.99
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

SpeedyBee F405 V4 BLS 55A 30x30 FC&ESC Stack$69. 99 for a Bluetooth 55A Stack? That's ridiculous I know right? With only $69. 99, you will get an STM32F405 FC (better than F411), onboard 4 level battery life indicator, 4GB Blackbox SD card slot for your flight logs, 4 groups of LED strip pads, complete with a DJI plug for your digital quad, and built in Bluetooth for wireless configuration on the SpeedyBee app. Don't forget about the powerful 55A 4 in 1 ESC, built with aluminum alloy heat sink

$69.99 for a Bluetooth 55A Stack?
That's ridiculous
I know right? With only $69.99, you will get an STM32F405 FC (better than F411), onboard 4-level battery life indicator, 4GB Blackbox SD card slot for your flight logs, 4 groups of LED strip pads, complete with a DJI plug for your digital quad, and built-in Bluetooth for wireless configuration on the SpeedyBee app. Don't forget about the powerful 55A 4-in-1 ESC, built with aluminum alloy heat sink + TVS protective diode + Japan made TDK SMT capacitors + external 1000uF low ESR capacitor, everything is for durable build and smooth flight.
All of that for only $69.99! Top-shelf spec at a crazy low price, what are you waiting for?
* The DJI Air Unit plug is completely compatible with DJI O3/RunCam Link/Caddx Vista/DJI Air Unit V1, no wire is needed to be changed.
Configure your FC and ESC via Bluetooth!
With SpeedyBee app, turn your phone into an all-in-one FC configurator and tune your quad anytime, anywhere. Enjoy wireless, fully configurable ESC experience with SpeedyBee app
ESC upgraded to 55A with heat sink.
The PCB design has been refined, with copper thickness increased from 2 to 3 ounces and enhanced MOSFET specifications. Continuous current now reaches 220A across all channels, peaking at 280A for 10 seconds. An added aluminum alloy heat sink ensures efficient MOSFET heat dissipation for stable ESC output. It delivers a genuine 55A output, primed for your baddest high-powered 6S motors.
ICM42688P Gyro and clean
power supply.
Featuring MaxLinear's esteemed LDO power chip, the gyroscope gets dedicated power, enhancing surge protection by 320%. A 100uF filtering tantalum capacitor shields gyro data from power interferences. This ensures precise flight responsiveness, letting you truly savor the joy of flying!
Forgot your LiPo checker?
Just look at the FC!
On the side of the flight controller, you will find a 4-level battery capacity indicator. As soon as you connect the battery, you can instantly see the battery level, saving you the hassle of needing to put on glasses to check the battery status.
SD card compatibility issue fixed!
The F405 V3 FC faced compatibility issues with certain microSD cards, with a few even occasionally affecting the stable OSD display. The improved F405 V4 flight controller, however, addresses these challenges. It reliably supports C4, C6, C10, and higher cards at 2k/4k logging rates.
BF/INAV can recognize up to 4GB of black box space. Once you clear the SD card, you can enjoy 1000+ flights. Experience black box freedom like never before!
Change motor directions wirelessly!
Are you still using a computer to change motor directions? With this stack, when you finish your build, connect to the SpeedyBee app, change the motor directions just in a few simple steps*. Then take off.
* To use this feature, please go to the App > Motors > Motor Direction Settings.
8 motors output for X8/Y6/fixed-wings.
You could use this stack to build your X8 drones, Y6 drones or fixed wings. Forget about crawling through your massive build just to plug in that USB cable. Just take out your phone to configure everything in the SpeedyBee app.
4 sets of LED pads with simple switching.
Need more visibility at night? Just solder up your LED strips* and blaze the darkest trail you can find. With just one tap on the BOOT button, you can cycle through all different LED presets** and pick the one you love!
* LED strips could be purchased here
**Or long press the boot button to switch to Betaflight LED mode.
TVS Protective Diode + 21 Onboard TDK Capacitors + 1000uF High-Capacity Electrolytic Capacitor = Upgraded ESC Protection
We've included a TVS diode that effectively absorbs voltage spikes during power-up and crash events. The board features 21 high-quality Japanese TDK 35V 22uF SMD filtering and energy storage capacitors. These, along with the standard 1000uF high-frequency, low-ESR electrolytic capacitor, effectively filter out signal interference from the power supply to the flight controller's gyroscope, ensuring smoother flight performance.
And packaged with more useful features.
● Built-in barometer for accurate height calculation
● SD card slot can support up to 4GB Blackbox data*
● Dedicated DJI Air Unit connector for a quick digital build
● 5V & 9V Dual BECs now upgraded to both 3A output
● 4 x UARTs for your receiver + VTX + camera + GPS
● Power your GPS with a USB cable - no battery needed,
No extra heat, no worries
● 22mm cutouts for FPV camera in your tight build
*Betaflight firmware requires the type of the microSD card to be either Standard (SDSC) or High capacity (SDHC) under 32GB, so extended capacity cards (SDXC) are not supported(Many high-speed U3 cards are SDXC). Also the microSD card MUST be formatted with the FAT16 or FAT32 (recommended) format, you could use any SD card less than 32GB, but the Betaflight can only recognize 4GB maximum. We suggest you use this 3rd party formatting tool and choose 'Overwrite format' then format your card. Also check out here for the recommended SD cards or buy the tested cards from our store.
 
 
 
 
 
 
 
 
 
 
 
Specifications
Product Name SpeedyBee F405 V4 30x30 Flight Controller
MCU STM32F405
IMU(Gyro) ICM42688P
USB Port Type Type-C
Barometer Built-in
OSD Chip AT7456E chip
BLE Bluetooth Supported. Used for Flight Controller configuration (MSP should be enabled with Baud rate 115200 on UART4)
WIFI Not supported
DJI Air Unit Connection Way Two ways supported: 6-pin connector or direct soldering.
6-pin DJI Air Unit Plug Supported. Completely compatible with DJI O3/RunCam Link/Caddx Vista/DJI Air Unit V1, no wire is needed to be changed.
Blackbox MicroSD Card Slot *Betaflight firmware requires the type of the microSD card to be either Standard (SDSC) or High capacity (SDHC) under 32GB, so extended capacity cards (SDXC) are not supported(Many high-speed U3 cards are SDXC). Also the microSD card MUST be formatted with the FAT16 or FAT32 (recommended) format, you could use any SD card less than 32GB, but the Betaflight can only recognize 4GB maximum. We suggest you use this 3rd party formatting tool and choose 'Overwrite format' then format your card. Also check out here for the recommended SD cards.
Current Sensor Input Supported. For SpeedyBee BLS 55A ESC, please set scale = 400 and Offset = 0.
Power Input 3S - 6S Lipo(Through G, BAT pins/pads from the 8-pin connector or 8-pads on the bottom side)
5V Output 9 groups of 5V output, four +5V pads and 1 BZ+ pad( used for Buzzer) on front side, and 4x LED 5V pads. The total current load is 3A.
9V Output 2 groups of 9V output, one +9V pad on front side and other included in a connector on bottom side. The total current load is 3A.
3.3V Output Supported. Designed for 3.3V-input receivers. Up to 500mA current load.
4.5V Output Supported. Designed for receiver and GPS module even when the FC is powered through the USB port. Up to 1A current load.
ESC Signal M1 - M4 on bottom side and M5-M8 on front side.
UART 6 sets(UART1, UART2, UART3, UART4(Dedicated for Bluetooth connection)), UART5(Dedicated for ESC telemetry),UART6
ESC Telemetry UART R5(UART5)
I2C Supported. SDA & SCL pads on front side. Used for magnetometer, sonar, etc.
Traditional Betaflight LED Pad Supported. 5V, G and LED pads on bottom of the front side. Used for WS2812 LED controlled by Betaflight firmware.
Buzzer BZ+ and BZ- pad used for 5V Buzzer
BOOT Button Supported.
[A]. Press and hold BOOT button and power the FC on at the same time will force the FC to enter DFU mode, this is for firmware flashing when the FC gets bricked.
[B]. When the FC is powered on and in standby mode, the BOOT button can be used to controller the LED strips connected to LED1-LED4 connectors on the bottom side. By default, short-press the BOOT button to cycle the LED displaying mode. Long-press the BOOT button to switch between SpeedyBee-LED mode and BF-LED mode. Under BF-LED mode, all the LED1-LED4 strips will be controlled by Betaflight firmware.
RSSI Input Supported. Named as RS on the front side.
Smart Port / F.Port Not supported
Supported Flight Controller Firmware BetaFlight(Default), INAV
Firmware Target Name SPEEDYBEEF405V4
Mounting 30.5 x 30.5mm( 4mm hole diameter)
Dimension 41.6(L) x 39.4(W) x 7.8(H)mm
Weight 10.5g
Product Name SpeedyBee BLS 55A 30x30 4-in-1 ESC
Firmware BLHeli_S J-H-40
PC Configurator Download Link https://esc-configurator.com/
Continuous Current 55A * 4
Burst Current 70(10 seconds)
TVS Protective diode Yes
External Capacitor 1000uF Low ESR Capacitor(In the package)
ESC Protocol DSHOT300/600
Power Input 3-6S LiPo
Power Output VBAT
Current Sensor Support (Scale=400 Offset=0)
ESC Telemetry Not supported
Mounting 30.5 x 30.5mm( 4mm hole diameter)
Dimension 45.6(L) * 44(W) *8mm(H)
Weight 23.5g
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60619448184

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Jennifer Hudson
Cuba, US
★★★★★ 5
Her favorite
Style: Tipsy Rosé
Our weimaraner Gracie loves her wine glass. Whenever it's empty she drops it in front of us to have it refilled. It's very durable and cute, it's easy to fill plus she has no trouble carrying it around. We'll be getting another so she doesn't have to continue to hide it from our other girl. It's quite obviously her favorite.
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Erin
Birmingham, US
★★★★★ 5
indestructible
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best toy I ever bought for my Lab. He loves it and has not been able to destroy it yet
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Reviewed in the United States on February 18, 2026
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Michelle Mitchell
Port Orchard, US
★★★★★ 5
Good for smaller dogs too
Style: Tipsy Rosé
This dog toy states it's for large dogs (50+ lbs) but I bought it for my 12 lbs dog anyway, and Im glad I did because she loves it. Keeps her entertained. So much better than just handing her treats. When I hear it rolling across the floor I know she's busy and I dont need to worry about what she's up to. The hole is a good size for treats to fit in but she still has to work to get them out.
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Reviewed in the United States on April 3, 2026
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Rebekka Wyers-Williams
Alexandria, US
★★★★★ 5
Great toy for chewers!
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This is my dogs favorite toy! He is a super chewer and this has lasted longer than anything. It is also fun to play fetch with and bounces
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Reviewed in the United States on February 3, 2026
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Amazon Customer
West Palm Beach, US
★★★★★ 4
Long lasting high entertainment toy
Style: Tipsy Rosé
I was gifted one of these for my puppy and it is a fabulous toy. I put in dried liver chunks with at least one that is a bit of a tight fit so it drags out the experience for him. It’s highly durable, gets dragged around and pushed under furniture, and shows tooth marks but is still very effective. I also appreciate it’s easy to clean.
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Reviewed in the United States on January 18, 2026

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