--- product_id: 674879053 title: "SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK)" brand: "sparkhobby" price: "€ 378.69" currency: EUR in_stock: true url: https://www.desertcart.hr/products/674879053-sparkhobby-speedybee-f405-v4-bls-55a-stack-icm42688p-f405-v4 store_origin: HR region: Croatia --- # 55A BLHeli_S ESC power MicroSD Blackbox logging slot Dual DJI Air Unit connection modes SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) **Brand:** sparkhobby **Price:** € 378.69 **Availability:** βœ… In Stock ## Summary > πŸš€ Power your FPV dreams with the SpeedyBee F405 V4 – where precision meets plug-and-play! ## Quick Answers - **What is this?** SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) by sparkhobby - **How much does it cost?** € 378.69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/674879053-sparkhobby-speedybee-f405-v4-bls-55a-stack-icm42688p-f405-v4) ## Best For - sparkhobby enthusiasts ## Why This Product - Trusted sparkhobby brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Advanced Blackbox Logging:** Built-in microSD slot supports up to 32GB SDHC cards for detailed flight data and performance tuning. - β€’ **Race-Ready Power Delivery:** 55A BLHeli_S ESC ensures blistering throttle response and reliable motor control for pro-level FPV racing. - β€’ **Intuitive Firmware & LED Control:** One-button DFU mode flashing and LED strip control keep your setup sleek and customizable on the fly. - β€’ **Versatile Multi-Voltage BEC Outputs:** 9x 5V pads (3A total), 2x 9V pads (3A total), plus 3.3V output for seamless peripheral power management. - β€’ **Plug & Play DJI Air Unit Compatibility:** Supports both 6-pin plug and direct soldering for DJI Air Unit, Runcam Link, Caddx Vistaβ€”no rewiring needed. ## Overview The SpeedyBee F405 V4 BLS 55A Stack is a compact 30x30mm flight controller and 4-in-1 ESC combo designed for high-performance FPV racing drones. It supports 3S-6S LiPo batteries, offers dual DJI Air Unit connection methods, and features a microSD Blackbox slot for flight data logging. With multiple BEC outputs and intuitive firmware flashing via a single button, it delivers professional-grade power management and customization for drone enthusiasts and competitive pilots. ## Description Item: SpeedyBee F405 V4 55A Flying Tower (F405 V4 Flight Control BLS 55A 4in1 ESC) Parameters: SpeedyBee F405 V4 Flight Controller MCU:STM32F405 IMU (gyroscope):ICM42688P USB Port Type:Type C Barometer:Buolt-in OSD Chip:AT7456E Chip BLE-Bluetooth:Supported, Uesd for Flight Control configuration(MSP should be enabled with Baud rate 115200 on UART4) WIFI-Supported: Not Supported Traditional Betaflight LED Pad: Supported.5V.G and LED pads on bottom of the front side.Used for WS2812 LED contrelled by Betaflight firmware. Buzzer:Support .BZ+ , BZ- pad used for 5V buzzer BOOT Button:Supported. RSSI Input:Support. Named as RSon the front side Smart Port:Not Support Supported flight controller firmware: BetaFlight (default), INAV Firmware target name:SPEEDYBEEF405V4 Mount:30.5x30.5mm (4mm hole diameter) Dimensions:41.6(L) x 39.4(W) x 7.8(H) mm Weight:10.5g SpeedyBee BLS 55A 4-in-1 ESC Firmware:LHeli_S JH40 Wireless-configuration:Full configuration supported by SpeedyBee App PC configurator download link:ttps://esc-configurator.com/ Continuous Current:55A*4 Break current:70A (10 seconds) Protective Diode for TV:Yes External Capacitor:1000uF Low ESR Capacitor (included in the package) Protocol ESC:DSHOT300/600 Power Input:3-6S LiPo Output power:VBAT Current sensor:Support (scale=400 offset=0) Mount:30.5x30.5mm (4mm hole diameter) Dimensions:45.6(L)*44(W)*8mm(H) Weight:23.5g Package Included: SpeedyBee F405 V4 Flight Control x 1 SpeedyBee BLS 55A 4in1 ESC x 1SpeedyBee F405 V4 55A Flying Tower (F405 V4 Flight Control BLS 55A 4in1 ESC) x 1 ## Features - DJ I Air Unit Connection Way:Two ways Supported ,6-pin connection or direct soldering 6-pin DJ I Air Unit Plug:Supported,Completely compatible with DJ I O3/Runcam Link/Caddx Vista/DJ I 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. So,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 - 5V BEC Output :9 groups of 5V output, (4 +5V pads on the front and 1 BZ+ buzzer pad, and one +5V pad on each of the 4 corners for external LED lights), the total current output is 3A 9V BEC Output :2 groups of 9V output, (1 +9V pad on the front, +9V output in a seat on the back), the total current output is 3A 3.3V BEC Output :Supported.Designed for 3.3V iutput receivers.Up to 500mA current load - [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 corrtors on the bottom side. By defaut,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. - Galvanometer Input: Supported. For SpeedyBee BLS 55A ESC , please set Scale=400 and Offset=0 Power input:3S - 6S Lipo (Through G, BAT pins/pads form the 8-pin connector or 8-pads on the bottom side) ESC signal: M1-M4 on the back and M5-M8 on the front UART serial port: 6sets (UART1, UART2, UART3, UART4 , UART5 , UART6) ESC telemetry input: R5 (UART5) I2C:Support. SDA & SCL pads on the front. For magnetometers, sonar, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | Package Dimensions | 10 x 5 x 3 cm; 160 g | | Manufacturer recommended age | 16 months and up | | Manufacturer reference | SpeedyBee-F405-BLS-55A-001 | | Educational Objective(s) | Develop STEM skills through hands-on learning | | Assembly Required | Yes | | tech_spec_battery_description_toys | Lithium Polymer (LiPo) batteries | | Material Type(s) | Plastic Metal | | material_composition | plastic | | Color | black | | ASIN | B0DBYZ4DHT | ## Images ![SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) - Image 1](https://m.media-amazon.com/images/I/51nLBRhm6nL.jpg) ![SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) - Image 2](https://m.media-amazon.com/images/I/81RjJ2eJnBL.jpg) ![SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) - Image 3](https://m.media-amazon.com/images/I/81Cw42XY4qL.jpg) ![SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) - Image 4](https://m.media-amazon.com/images/I/716YfnzpZML.jpg) ![SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) - Image 5](https://m.media-amazon.com/images/I/71gBXX3oU+L.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - SPARKHOBBY SpeedyBee F405 V4 BLS 55A Stack ICM42688P F405 V4 FC BLHELIS 55A 4in1 ESC 3~6S Lipo 30x30mm for RC FPV Racing Drones DIY Parts (SB-F4V4-55-STACK) - HGLRC ELRS 2.4GHz ExpressLRS RX Nano Module High Refresh Rate - HGLRC M100-5883 GPS Compass Module, Upgraded 10th Generation Chip Compatible with FPV Fixed-Wing UAV --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/674879053-sparkhobby-speedybee-f405-v4-bls-55a-stack-icm42688p-f405-v4](https://www.desertcart.hr/products/674879053-sparkhobby-speedybee-f405-v4-bls-55a-stack-icm42688p-f405-v4) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-23*