Integrated 20A ESC
Combines flight controller and four-in-one ESC functionality in one compact board, supporting 20A continuous current and up to 25A peak current.
BETAFPV F4 2-3S 20A
Electrical
| Input Voltage | 2S–3S LiPo / LiHV |
|---|---|
| Integrated ESC | 20A Continuous / 25A Peak |
| ESC MOSFET | Single-NMOS 20A ESC Design |
| 5V BEC | 5V / 3A @ 8V Input |
| 9V BEC | 9V / 2A @ 8V Input |
| Current Sensor | Onboard Current Meter |
| ESC Signal | DShot300 / DShot600 |
| ESC Firmware | Bluejay / BB51, C_X_70_48_V0.19.2 |
| PWM Frequency | 24KHz / 48KHz / 96KHz |
Interfaces
| USB | SH1.0 4-Pin USB Interface |
|---|---|
| HD VTX Interface | DJI O3 6-Pin PMU Connector |
| UART | Multiple UART Interfaces for RX, VTX, GPS and External Devices |
| UART1 | TX1 / RX1 |
| UART3 | TX3 / RX3, Releasable for External Devices |
| UART4 | TX4 / RX4 |
| UART6 | TX6 / RX6 |
| SBUS | Standard SBUS Interface |
| I2C | SCL / SDA for Compatible External Devices |
| GPS | Supported via Serial Interface |
| Receiver | Integrated Serial ELRS 2.4GHz; External CRSF / SBUS Supported |
| LED | RGB LED Interface |
| Buzzer | BUZZ+ / BUZZ- |
Features
Dual BEC Power System
Provides 5V 3A output for external electronics and 9V 2A output optimized for DJI O3 HD VTX applications.
Integrated ELRS Receiver
Built-in Serial ELRS 2.4GHz receiver reduces wiring requirements and simplifies compact FPV drone assembly.
16MB Blackbox
Integrated 16MB Blackbox memory provides flight data recording for tuning, troubleshooting and flight-performance analysis.
HD VTX Ready
Dedicated DJI O3 6-pin PMU connection provides a simplified connection solution for compatible HD digital video transmitters.
External Device Support
Reserved serial interfaces support GPS modules, external receivers,HD VTX systems and other compatible FPV peripherals.
Betaflight Support
STM32F405-based processing and Betaflight firmware provide flexible configuration of flight parameters, rates, PID settings and peripherals.
Compact AIO Design
Integrates FC, ESC, receiver, barometer, current sensor and Blackbox into a compact 26mm mounting platform.
Mechanical
| Mounting Pattern | 26mm × 26mm |
|---|---|
| Weight | 5.58g without motor connectors and power cable |
| Weight with Motor Connectors | 5.92g |
| Battery Connector | XT30 Power Cable |
| Motor Connection | JST 1.25mm Compatible Motor Connectors / Solder Pads |
| Board Type | All-in-One Flight Controller and ESC |
Technical Highlights
F405 Processing Platform
The STM32F405RGT6 MCU operates at 168MHz and provides the processing performance required for modern Betaflight-based FPV flight control, peripheral management and flight-data recording.
20A Integrated ESC
The integrated 20A ESC is designed for 2S–3S FPV power systems and supports up to 25A peak current. DShot300 and DShot600 provide digital motor-control compatibility for responsive FPV applications.
Stable HD VTX Power
The dedicated 9V 2A BEC provides a stable power source for compatible DJI O3 HD VTX systems, while the independent 5V 3A BEC supports external receivers, GPS modules and other peripherals.
Integrated ELRS and Blackbox
The integrated Serial ELRS 2.4GHz receiver reduces external wiring, while 16MB Blackbox storage enables flight-data logging for tuning and troubleshooting.
Flexible Peripheral Connectivity
Multiple UARTs, SBUS, I2C and dedicated HD VTX connectivity provide flexible integration options for GPS, external receivers, digital video systems and other FPV electronics.
Applications
- 2S–3S FPV Whoop Drones
- Digital HD FPV Drones
- DJI O3 Equipped FPV Builds
- Compact Cinewhoop Platforms
- Toothpick FPV Drones
- Freestyle FPV Builds
- FPV Drone Development and Prototyping
- OEM and ODM FPV Drone Projects
Compatibility
Battery
2S–3S LiPo / LiHV battery systems.
HD VTX
Compatible with DJI O3 through the dedicated 6-pin PMU interface. Compatible HD VTX systems can be connected through the available power and serial interfaces.
Receiver
Integrated Serial ELRS 2.4GHz receiver with support for compatible external CRSF and SBUS receiver configurations.
GPS
Compatible GPS modules can be connected through the available serial interface.
Motors
Suitable for compact 2S–3S FPV drone motors. Avoid excessively high KV motors; BETAFPV recommends avoiding motors above 20,000KV.
Recommended Platforms
BETAFPV Pavo20 Pro II, Pavo20 Pro, Pavo Pico and HX115 SE Toothpick Drone platforms.
FAQ
What battery voltage does the BETAFPV F4 2-3S 20A support?
The flight controller supports 2S–3S battery input and is designed for compact 2S–3S FPV drone applications.
What is the continuous current rating of the integrated ESC?
The integrated ESC is rated for 20A continuous current and up to 25A peak current.
Does the flight controller have an integrated receiver?
Yes. The board integrates a Serial ELRS 2.4GHz receiver. External CRSF and SBUS receiver configurations are also supported through the available interfaces.
Does it support DJI O3 HD VTX?
Yes. The board provides a dedicated DJI O3 6-pin PMU connector and a 9V 2A BEC designed to provide stable power for compatible DJI O3 HD VTX installations.
Does it support GPS?
Yes. GPS modules can be connected through the available serial interfaces.
How much Blackbox memory is available?
The flight controller provides 16MB of integrated Blackbox memory.
Which Betaflight target should be used?
The official firmware target is BETAFPVF405. The listed FC firmware version for this model is Betaflight 4.4.1.
What gyroscope options are available?
The F4 2-3S 20A AIO FC V1 is available with ICM42688P or ICM42605 gyroscope variants. Buyers should confirm the hardware revision before selecting or flashing firmware.
What USB interface does the FC use?
The board uses an SH1.0 4-pin USB interface. The relocated rear USB position is designed to make computer connection and Betaflight configuration more convenient.
B2B Procurement FAQ
Is the BETAFPV F4 2-3S 20A suitable for OEM FPV drone production?
Yes. Its integrated FC, 20A ESC, ELRS receiver, Blackbox, barometer and current sensor reduce the number of separate components required in compact 2S–3S FPV drone assemblies.
What should B2B buyers confirm before placing an order?
Buyers should confirm the exact hardware revision, gyroscope version, receiver configuration, firmware requirement, required VTX interface, battery specification, motor KV range and mounting requirements.
Are different gyroscope versions available?
Yes. ICM42688P and ICM42605 versions are listed for this product. Bulk buyers should specify the required gyroscope version when requesting a quotation.
Can the FC be purchased for integration into custom FPV drones?
Yes. The board is suitable for compact custom FPV drone builds, prototyping and production integration where the 2S–3S electrical specification and 26mm × 26mm mounting pattern meet the project requirements.
Can external receivers be used instead of the onboard ELRS receiver?
Yes. The board provides additional serial connectivity and a standard SBUS interface for compatible external receiver configurations.
Can GPS and HD VTX be used at the same time?
Yes, provided the selected devices are compatible with the available UART and power interfaces and the required Betaflight ports are configured correctly.
What information should be included in a bulk RFQ?
For a B2B quotation, provide required quantity, gyroscope version,receiver type, target drone platform, battery configuration, preferred firmware, VTX type, delivery destination and any packaging or labeling requirements.
Is private labeling or OEM/ODM support available?
OEM or ODM availability depends on the supplier and order quantity. Buyers should provide their target specifications, estimated annual demand, packaging requirements and customization scope for evaluation.
What documents should be requested for bulk procurement?
B2B buyers should request the latest datasheet or product specification, wiring diagram, firmware information, product revision details, packing information and any applicable compliance documentation required for their destination market.
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