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Cheetah 20A Brushless ESC

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Calculated at checkout

Product Description


  • Low resistance
  • 8khz PWM
  • For 4-10 NiCd/NiMH cells, 2-3 Li-Poly Cells
  • 18A Max on 3 Li-Poly
  • User programmable brake
  • User programmable low-voltage cutoff type (Lipo or NiCd/NiMH)
  • Throttle range self-adjusting
  • Soft start ramp up
  • Auto motor cutoff with reset
  • Safe power arming program ensures motor will not run accidentally after turn on
  • Low torque start
  • Auto shut down when signal is lost
  • Max RPM: 40,000 RPM with 14 pole motor

Note:  If using 4 servos with 3-cell Li-Poly batteries, you will need a 4.8V receiver pack or an external Switching BEC to provide power to your receiver.


Special Instructions: Never exceed the recommended battery voltage listed on the package.  Do not use a separate battery supply with this controller.  Never disconnect the battery supply when the motor is running.  We strongly suggest that you use an overload fuse in the battery circuit.  For example, a motor will run at 4 amps therefore a 5 amp speed controller is adequate.  If the motor is stalled or stopped, with the power on, then it will draw 15 to 20 amps and burn out the speed controller.  An overload fuse can prevent this type of damage.  Also, the BEC provides a regulated power supply to the receiver.  Usually about .5 amps.  A stalled servo can draw 2 or 3 amps and damage the BEC which in turn can cause damage to the receiver. NOTE: Millennium R/C assumes no responsibility for the improper use and installation of this product.

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