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EMAX AC-0986 Servo/ESC Tester

EMAX AC-0986 Servo/ESC Tester

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A great little gadget to test servos and ESCs on the fly. The tester servo allows the user to test servos and ESCs without use of a transmitter and receiver. Used for calibration of ESCs, without using the controller or transmitter and receiver.


  • Detect various servos.
  • Can connect ESC, detect the operating state of ESC and motor.
  • It can also connect 3-pack ESC or servo, single chip control
  • Good stability and high precision.


  • Output: ≤15mA (5.0)
  • Input: DC 4.5-6V
  • SUB trim output signal: 1.5ms±0.5ms
  • Size: 42.5*24*23.5mm
  • Weight: 11g
  • Pulse width adjustment method: automatic/hand adjustment/automatic SUB trim signal output
  • Power supply: 4-5 AA battery, BEC/UBEC(don't need power supply with built-in BEC servo)