4Pcs Simonk 30AMP 30A SimonK Firmware Brushless ESC w/ 3A5V BEC

  • No low voltage cutoff, because any cutoff in a multirotor = crash.
  • 16KHz motor frequency, giving fastest response of the motor, and quietest operation as well (no 8KHz squeal).
  • 30A ESC for multirotor.
  • Highest accuracy with Crystal Oscillator (Temperature won't affect the PWM operating range like other cheap ESC's).
  • Highest efficiency 100% N-FET design.
  • Super simple, foolproof operation! Nothing to program other than the throttle range.
  • No over temp cutoff, because any cutoff in a multirotor = crash.
  • Super high refresh rate, no buffering of the input signal, resulting in more than 490Hz response rate.
  • This hardware, with the SimonK firmware, gives you the perfect solution for multirotor use.
    Note (SimonK): Before buying these, you should be familiar with the somewhat experimental nature of the SimonK firmware. This software pushes the motor response to the limit, so there may be motor and prop combinations that won't work. Due to the lack of overcurrent/overheat/low voltage sensing (needed for multirotors), it's easier to destroy the ESC and possibly the motor too. I can't tell you what will or won't work, other than the motors I sell that I've personally used, so please consult the main SimonK threads on various forums for more info. Neither I, nor SimonK will be responsible for any damage that may occur, so know and accept the risks before using these. That said, I've personally had fantastic results with this firmware and wouldn't use anything else!

$51.36 $111.64

Shipping: in 2-7 business days.


  • Model : D-30
  • Current : Max cont. current: 20APeak current: 30A (10s)
  • Size/Weight : Item size: 13 * 8 * 4cm / 5 * 3 * 01.6inItem weight: 110g / 3.9oz
  • Compatible : DJI F450 Alien TREX 250 450 RC Multicopter Qudcopter
  • BEC : 5V/3A
  • Type : ESC
  • Voltage : 2-3S lipo, 5-8 Nicad

Package Contents

  • 4 * Simonk 30AMP 30A SimonK Firmware Brushless ESC w/ 3A 5V BEC

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