Product overview
The GEPRC Fettec G4 Alpha GF50A STACK combines a separate G4 Alpha flight controller and GF50A four-in-one ESC for FPV aircraft integration. The controller uses an STM32G473CEU6 MCU, FETTEC ALPHA firmware and FETTEC OSD, while the ESC uses an STM32G071 MCU and FETTEC firmware. All flight control function interfaces support SH1.0 cable connections. A combined video socket supports DJI digital and analog image transmission, with external buzzer and LED support, a Type-C USB interface, and 9v@2A MAX 2.5A and 5V@2A MAX 2.5A BEC outputs.
The ESC has a 32x32mm board, a 30.5mmx30.5mm M4 installation hole pattern and a weight of 13g; the flight controller weighs 6.6g. The ESC accepts 2~6S LiPo battery input, carries 50A continuous and 55A peak current ratings, and supports S2M+OW, S2M and Dshot300-2400. The supplied electronics package includes both boards, SH1.0 signal cables, a 110MM XT60 power cable and a 35v 1000uf capacitor. Mounting accessories comprise four M3*24 hexagon socket screws, four transparent M3 nylon nuts and ten M3*8 damping balls, accompanied by a product manual. The FETTEC firmware is closed-source.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | GEPRC Fettec G4 Alpha GF50A STACK |
| Flight controller model | GEPRC Fettec G4 Alpha |
| Flight controller MCU | STM32G473CEU6 |
| Flight controller IMU | LlM 42602 |
| Flight controller firmware | FETTEC ALPHA |
| On-screen display | FETTEC OSD |
| External buzzer support | YES |
| External LED support | YES |
| USB interface | TYPE-C |
| Flight controller BEC output | 9v@2A MAX 2.5A; 5V@2A MAX 2.5A |
| Flight controller weight | 6.6gFlight controller. |
| ESC model and architecture | GEPRC Fettec GF50A 4IN1 DShot2400 ESC |
| ESC MCU | STM32G071 |
| ESC continuous current | 50A |
| ESC peak current | 55A |
| ESC input | 2~6S (LIPO Battery)LiPo battery. |
| ESC protocols | S2M+OW, S2M, Dshot300-2400 |
| ESC galvanometer | YES |
| ESC firmware | FETTEC |
| ESC dimensions | 32x32mm BoardESC board. |
| Installation hole position | 30.5mmx30.5mm M4ESC. |
| ESC weight | 13gESC. |
| Cable connections | SH1.0 cable connections on all flight control function interfaces.Flight control function interfaces. |
| Video integration | Combined socket supporting DJI digital image transmission and analog image transmission. |
| Included electronics | 1 × GEPRC Fettec GF50A 4IN1 DShot2400 ESC; 1 × GEPRC Fettec G4 Alpha FC.Supplied configuration. |
| Included signal cables | 2 × SH1.0-4Pin 100mm silicone wire; 1 × SH1.0-6P to SH1.0-7Pin silicone cable 60mm; 1 × SH1.0 8Pin 30mm silicone cable; 1 × SH1.0 7pin to 6pin 80MM silicone cable.Supplied configuration. |
| Included power accessories | 1 × XT60 power cable 110MM; 1 × 35v 1000uf capacitor.Supplied configuration. |
| Included mounting hardware and manual | 4 × hexagon socket screw M3*24; 4 × transparent M3 nylon nut; 10 × M3*8 damping ball; 1 × product manual.Supplied configuration. |
| Firmware access | Closed-source FETTEC firmware. |
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