$281.00 $199.99
SKU: 30112603

Free shipping eligible 
Web price $199.99 | MSRP $250.00


  • Word's Champion's choice, ROAR APPROVED
  • Redesigned new architecture platform 
  • 40% smaller in volume* (*6mm shorter,  6mm smaller in width)
  • 24% lighter in weight (12g lighter than the previous generation)
  • Premium MOSFETs (Toshiba MOSFETs)
  • Super BEC. Internal BEC features booster circuitry can output the current/voltage of up to 6A/6V and power various servos without connecting any extra receiver battery.
  • Built-in electronic switch (with a lifespan of over 50000 on/off cycles, dust-proof and shock-resistant design)  
  • Built-in capacitor module saves space and weight making the wiring simple and neat.
  • PWM Frequency tuning - guarantees precise and accurate throttle and brake control for all classes of competitions (esp. the Stock class).
  • Maximum Cooling performance - Separate Programming/Fan Port
    The separate PRG/FAN port on the ESC can power an external fan to maximize cooling performance or connect the ESC to an LCD program box or WiFi module for ESC programming.
Programming through WiFi
  • Works with LCD program box (PC only) or WiFi Express Module (Apple & PC) - purchase separately
  • Innovative Data-logging function - This ESC features the data-logging function which can record the maximum ESC/motor temperature, RPM and etc. in real time and allows users to check those data via an LCD program box or WiFi module after each use
 Xerun 1S 120A v3.1
Application 1/10 - 1/12
Brushless sensored system
 1/10 - 1/12
Brushless sensored system
Cont. 120A 120A
Peak Current 830A 830A
Input 1S LiPo/3-4 Cells NiMH 1S LiPo/3-4 Cells NiMH
BEC output Switch Mode:6V/3A Switch Mode:6V/3A
Programmable Yes Yes
Firmware update Yes Yes
WiFi Module Enabled Enabled
Dim. 37.5x31x15.9mm 37.5x37.0x21.8mm
Weight 35.6g
What's in the box? 
  • ESC
  • 14 Ga & 12Ga Wires (Two Types)
  • RX Wire
  • Bonus accessories (heat sink, etc)
  • User's manual
  • Decal
Warranty note
  • All HOBBYWING products purchased from Hong Kong / Chinese retailers do not confirm authorized dealer protocol & QC/QA standard - deems products non-warranty, no exception is made. 
  • Banggood.com is NOT considered authorized dealer 
  • Warranty terms and conditions, please visit the link here.
  • Hobby-wing.com IS NOT associated with HOBBYWING technology what so ever. 


Optional devices

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