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ZTW Gecko 120A HV Brushless ESC - OPTO

Brand: ZTW
Product Code: ZTWGC120HVES
Availability: In Stock
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ZTW GECKO SERIES Airplane/Heli ESCs are competition-grade speed controllers from one of the most trusted RC electronics manufacturers in the industry. NEW FEATURES found in Gecko Series ESCs include PC data logging, firmware upgradability, and more. Best of all, Gecko Series ESCs come standard with the ZTW quality, performance, and reliability you have come to trust.


  • Data logging via PC interface (optional accessory included with program card)
  • Firmware upgradable via PC interface
  • Extremely low internal resistance 
  • Smooth and accurate throttle linearity 
  • Power arming protection, over-heat protection, low-voltage protection and lost signal protection
  • Supports high RPM motors
  • Advanced governor mode and soft start
  • Optional programming card & PC USB interface available



  • Output: 120A continuous, 150A burst for 10 seconds
  • Input voltage: 6-12s LiPo; 18-38 cell Ni-XX
  • OPTO (No BEC) -- external BEC or RX battery required
  • Weight: 120g
  • Dimensions: 65 x 46 x 16.6mm

Programmable Options:

  • Brake setting (off / soft / mid / hard -- default: off)
  • Battery type: (Ni-XX / LiPo / LiFe -- default: LiPo auto detect)
  • Cut-off voltage threshold (2.8V 50% / 3.0V 60% / 3.2V 65% / No protection -- default: 3.0V 60%)
  • Factory default setup reset
  • Timing settings (auto / 2° / 8° / 15° / 22° / 30° -- default: auto)
  • SBEC Voltage Output (not applicable on OPTO models)
  • Governor mode: (RPM off / 1st Soft Start / 2nd Soft Start / Gov Mode 1 / Gov Mode 2 -- default: RPM off)
  • Motor rotation: (forward / reverse -- default: forward)
  • Start up (Low / Mid / High-- default: 30%)
  • LVC cut-off type: (reduce gradually / cut-off -- default: reduce gradually)


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