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SinTech 25kw Controller

SinTech 25kw Controller

Regular price $1,695.00 USD
Regular price Sale price $1,695.00 USD
Sale Sold out
Tax included. Shipping calculated at checkout.

On the stock Sur-Ron // Segway battery SinTech gives additional ~2000watts or +20-30% acceleration boost as well as top speed/range improvements and features such as reverse gear, powerful regenerative braking and up to 3 customizable power profiles. Controller kit comes with step by step installation & setup instructions and Sur Ron connectors are preinstalled to simplify installation process. 


  • Cheapest power, top speed and range upgrade 
  • Allows full customization by user. Tune power profiles manually or try recommended preset!
  • Plug n Play kit, you can install it yourself!
  • Enjoy unique features:
  1. User-friendly smartphone app & computer software
  2. Powerful regen braking can be binded to brake sensors. Use only front brake to lock both wheels!
  3. Activate reverse gear to easily get yourself out of the tight spot!
  4. Push the limits of regen braking: highest rate can lock the wheel at speed!
  5. Learn more about your bike: track motor/controller temperature, amps and power in real time!
  6. Gain full control: adjust throttle and braking curve, set temperature limits and much more!
  7. Manually adjust speed recognition to be as accurate as GPS!
  • Compatible with stock bike display or dash panel to show speed (display is not included in controller kit)
  • Compatible with all bike sensors: brake, kickstand, tilt & fall
  • Capable of 3x more power with upgraded battery (more than stock motor can handle)
  • Comes with free technical support from SurRonshop founder. Remote tune is a free service!
  • Comes with phase wires hardware (bolts, nuts, heat shrink) and a regenerative braking throttle
  • Comes with 1 year warranty*

 *SinTech controller comes with 1-year warranty: in case of a failure where power board inspection shows no signs of controller abuse, customer will receive a controller replacement/repair service & one-way shipping for free.


Link to video review & feedback from customer


SinTech controller for Sur-Ron links:

1) Controller installation instructions (photo)

2) Controller installation instructions (video)

3) Computer software and setup instructions, connection schematics

4) Controller step-by-step setup instructions

Warning! In case you run a discharge-bypassed battery management system, the RED precharge control wire of SinTech controller has to be connected into the Sur-Ron circuit breaker according to connection schematics.

Technical specifications:

  • Max power: 25000w
  • Nominal power: 17000w
  • Voltage range: 60-106v (up to 25s battery compatible*)
  • Max battery current: 300a
  • Max phase current: 450a (500a+ short bursts)
  • Working temperature: -20+45 Celsius
  • Efficiency: 95-97%
  • Digital outputs: 3
  • Analog outputs: 2
  • Position sensor interfaces: SSI. UVW, AB
  • Communication interfaces: RS232, CAN
  • Supported motors: PMSM, ACIM, DC, DC with ENCODER
  • Control modes: FOC, BLDC, Sensorless, FOC
  • Protection functions: phase current, supply voltage, overheating of the power unit, overheating of the main board, phase failure

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