CaptainRC F405 55A/65A Stack – High-Performance Drone Flight Controller & ESC
F405 30.5x30.5 Flight Controller
Main Features:
✔ STM32F405 MCU
✔ ICM42688P Gyro/IMU
✔ 16MB Blackbox
✔ Type-C USB Port
✔ 3S-8S Lipo Input
✔ DJI Air Unit Support
✔ Dual Camera Inputs
Detailed Specs:
Power:
- Input: 3S-8S Lipo
- BEC Output: 5V output,the total current load is 3A;12V output,the total current load is 2.5A
Connections:
- 5x UART Ports:
- UART1: VTX control
- UART2: SBUS receiver
- UART4: GPS
- UART5: ESC telemetry
- I2C (for compass)
- LED & Buzzer pads
Other:
- BetaFlight OSD (AT7456E chip)
- Mounting: 30.5x30.5mm (4mm holes)
- Size: 39x37 mm
- Weight: 7g
BLS 4-in-1 ESC Series
Key Features:
✔ High-performance MOSFETs
✔ 30.5×30.5mm mounting (4mm holes)
✔ DSHOT300/600 protocol support
✔ Compact size: 44.5×43×6.3mm
✔ PC Online Configurator Supported
Model Comparison:
| Specification | BLS 65A ESC | BLS 55A ESC |
|---|---|---|
| Input Voltage | 3-8S LiPo | 3-6S LiPo (3-8S selectable) |
| Continuous Current | 65A×4 (260A total) | 55A×4 (220A total) |
| Burst Current | 75A (10sec) | 65A (10sec) |
| Telemetry | No | No |
| Weight | 13.5g | 13.5g |
Common Features:
- MCU: EFM8BB21/BB51
- Current Sensor Scale: 200
- Firmware: W_H_30B/B_X_30 24k
- Configurator: ESC-Configurator.com

⚖️ Weight: 20.5g (FC + ESC)
🔧 Perfect for:
- Racing Drones (Low-latency performance)
- Freestyle Builds (Smooth power delivery)
- Long-Range FPV (Stable voltage regulation)
Packing list as follows:

Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.