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RFESC-50A 4-in-1 Brushless ESC | AM32 Open-Source Firmware | DSHOT600 Supported | 50A×4 High Current | 2-6S LiPo | For 7/8 Inch Long-Range FPV Drones
RFESC-50A 4-in-1 brushless ESC runs AM32 open-source firmware with DSHOT300/600 high-speed protocol support, delivers 50A continuous current per channel, and accepts 2-6S LiPo input. With reinforced circuit & thermal design for stable high-load operation and standard stack mounting, it is designed for 7/8 inch large-size FPV drones like long-range and freestyle builds, featuring strong power and flexible tuning.
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Product Overview
The RFESC-50A is a high-performance 4-in-1 brushless ESC designed for large-size FPV drones. It runs the next-generation AM32 open-source ESC firmware, natively supports DSHOT300 and DSHOT600 high-speed digital speed control protocols, and delivers superior throttle linearity, lower operating loss and faster power response, fully meeting the precise control demands of heavy-load aircraft.
With 4 independent drive channels, each delivering 50A continuous current, and wide 2-6S LiPo input support, it provides sufficient power reserve and perfectly fits large-size models such as 7-inch and 8-inch long-range FPV drones, heavy freestyle drones and aerial photography FPV builds. The reinforced PCB layout and efficient thermal design ensure stable and reliable operation even during long-time high-load flights. With industry-standard mounting holes for direct stack installation with flight controllers, it enables easy and efficient assembly, making it an ideal choice for power systems of advanced large-size RC models.
Core Technical Specifications
| Category | Details |
|---|---|
| Model | RFESC-50A |
| Product Type | 4-in-1 Brushless Electronic Speed Controller (ESC) |
| Built-in Firmware | AM32 Open-Source ESC Firmware |
| Supported Speed Protocols | DSHOT300 / DSHOT600 |
| Continuous Output Current | 50A × 4 independent channels |
| Input Voltage | 2-6S Lithium Polymer Battery (LiPo) |
| Compatible Models | 7-inch, 8-inch FPV drones and heavy-load multi-rotor RC models of similar specifications |
Core Features & Benefits
1. Next-Gen AM32 Open-Source Firmware for High-Speed Response & Excellent Linearity
Powered by the popular advanced AM32 open-source ESC firmware, it features higher main frequency and optimized driving algorithms compared with traditional solutions, delivering finer throttle linearity and lower conduction loss. With native support for DSHOT300 and DSHOT600 high-speed digital protocols, it achieves ultra-low signal latency and responsive power output, providing smooth and controllable power delivery for both long-range cruising and aggressive freestyle maneuvers.
2. 50A 4-Channel High Current Output for Large-Size Models
Adopting 4 independent high-power drive circuits, each channel delivers up to 50A continuous current with ample peak current headroom, easily driving large-size brushless motors such as 2807 and 3115 specifications. It fully meets the power demands of 7-inch and 8-inch long-range drones, heavy freestyle drones and aerial photography FPV builds. With wide 2S to 6S LiPo input support, it is compatible with both lightweight configurations and high-voltage long-range setups for wide application scenarios.
3. Reinforced Circuit & Thermal Design for Reliable High-Load Operation
It adopts thick-copper PCB layout with optimized high-current paths, effectively reducing line resistance and operating heat, and ensuring consistency and stability across multi-channel output. Paired with a large-area efficient heat dissipation structure, it quickly dissipates heat generated during long full-throttle and high-load flights, avoiding overheating throttling or power failure, and greatly improving flight safety and device durability during long-range missions.
4. Standard Stack Design for Wide Compatibility
It adopts industry-standard mounting holes for 4-in-1 ESCs, enabling direct stack installation with matching flight controllers for clean wiring and greatly reduced assembly complexity for large-size models. It is compatible with most mainstream flight controllers and 7/8 inch airframes, making it convenient for both new drone builds and existing power system upgrades.
5. Rich Adjustable Parameters for Diverse Flight Styles
It supports online parameter adjustment and firmware upgrade via the flight controller, no additional programmer required. Pilots can customize throttle curves, start braking, voltage protection thresholds and more settings, flexibly tuning for different flight scenarios such as long-range, freestyle and aerial photography, balancing smoothness and power to meet the deep customization needs of advanced pilots.
Applicable Scenarios
- Power system build and upgrade for 7-inch & 8-inch FPV long-range drones
- Power configuration for large-size freestyle FPV drones and heavy freestyle builds
- Heavy-load multi-rotor models such as payload aerial photography FPV and surveying drones
- Advanced RC hobbyists pursuing high power reserve and stable output performance
Package Contents
- 1 × RFESC-50A 4-in-1 Brushless ESC Main Unit
- 1 × Matching Cable Set
- 1 × Product User Manual
| SKU | IUAV-14164 |
|---|
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