XDFly HPro 125A ESC – 3-8S SBEC – For 500/550 Class RC Helicopters
The XDFly HPro 125A is a high-performance electronic speed controller designed specifically for 500–550 class RC helicopters.
With strong current capacity, a fast 32-bit G4 processor and an adjustable high-power SBEC, it delivers smooth, reliable, and ultra-responsive performance for demanding 3D and sport pilots.
Key Features
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125A continuous / 200A burst output for reliable power delivery
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3S to 8S LiPo compatibility (11.1V – 29.6V)
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Integrated SBEC (6–12V adjustable) to power servos, FBL, and receiver
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32-bit STM32G4 processor for ultra-precise throttle control
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Helicopter-optimized governor mode for locked-in headspeed
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Active cooling system with heatsink + smart fan (activates above 40°C)
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Startup self-check (power, signal, voltage, motor phase)
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Stall-landing protection to reduce motor damage in emergency situations
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Telemetry support (compatible with popular FBL systems)
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Parameter tuning via app or compatible radios
Technical Specifications
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Continuous Current: 125A
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Burst Current: 200A
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Input Voltage: 3–8S LiPo
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BEC Output: 6–12V adjustable, high current
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Processor: 32-bit G4 (≈170MHz)
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Cooling: Aluminum heatsink + temperature-controlled fan
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Governor: Dedicated helicopter governor mode
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Protection:
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Over-current
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Over-temperature
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Low-voltage cutoff
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Startup self-check
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Motor stall protection
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Application: 500–550 class RC helicopters / high-performance models
Why Choose the XDFly HPro 125A?
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Extremely smooth throttle response
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Strong BEC suitable for modern high-voltage cyclic servos
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Reliable cooling for 3D and long-duration flights
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Excellent price/performance ratio
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Designed specifically for electric helicopters
Included in the Box
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XDFly HPro 125A ESC
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Cooling fan (installed)
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Signal cable
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User manual
Compatibility
Perfect for 500–550 class electric helicopters, including models from:
SAB, XLPower, Tron, Align, Goosky (large class), and similar.
Ideal For
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3D flying
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Hard sport
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Precision head-speed governor setups
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Pilots looking for a reliable, highly configurable ESC