XDFly HPro 125A ESC – 3-8S SBEC – For 500/550 Class RC Helicopters

In stock
€139.00
Item number: xdfly1258s

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

  • 125A continuous / 200A burst output for reliable power delivery

  • 3S to 8S LiPo compatibility (11.1V – 29.6V)

  • Integrated SBEC (6–12V adjustable) to power servos, FBL, and receiver

  • 32-bit STM32G4 processor for ultra-precise throttle control

  • Helicopter-optimized governor mode for locked-in headspeed

  • Active cooling system with heatsink + smart fan (activates above 40°C)

  • Startup self-check (power, signal, voltage, motor phase)

  • Stall-landing protection to reduce motor damage in emergency situations

  • Telemetry support (compatible with popular FBL systems)

  • Parameter tuning via app or compatible radios


Technical Specifications

  • Continuous Current: 125A

  • Burst Current: 200A

  • Input Voltage: 3–8S LiPo

  • BEC Output: 6–12V adjustable, high current

  • Processor: 32-bit G4 (≈170MHz)

  • Cooling: Aluminum heatsink + temperature-controlled fan

  • Governor: Dedicated helicopter governor mode

  • Protection:

    • Over-current

    • Over-temperature

    • Low-voltage cutoff

    • Startup self-check

    • Motor stall protection

  • Application: 500–550 class RC helicopters / high-performance models


Why Choose the XDFly HPro 125A?

  • Extremely smooth throttle response

  • Strong BEC suitable for modern high-voltage cyclic servos

  • Reliable cooling for 3D and long-duration flights

  • Excellent price/performance ratio

  • Designed specifically for electric helicopters


Included in the Box

  • XDFly HPro 125A ESC

  • Cooling fan (installed)

  • Signal cable

  • User manual


Compatibility

Perfect for 500–550 class electric helicopters, including models from:
SAB, XLPower, Tron, Align, Goosky (large class), and similar.


Ideal For

  • 3D flying

  • Hard sport

  • Precision head-speed governor setups

  • Pilots looking for a reliable, highly configurable ESC