ERUN-20A is an ultra-small sensorless brushless ESC for RC cars. Its volume is much smaller than similar products, so users can easily install it on 1/28~1/24 RC cars.


Ultra small size:21.5*12.5*7.0mm;

Weight:2.25g; l BEC:2.0A/5V;

Working voltage: 6.0~12.4V;

Working current:20A/40A(Max);

Support THR range and midpoint setting;

3 running modes:F&B, F/R&B, F/R;

4 steps of maximum reverse force adjustment;

9 start modes from “Short” to “Smooth” to be suitable for different chassis, tires and tracks;

Proportional ABS brake function with 4 steps of maximum brake force adjustment;

8 steps of drag brake force adjustment and 4 steps of initial brake force adjustment;

Support Low voltage cut-off protection for Li_Po or nickel battery;

Support Over-heat protection / THR signal loss protection / Motor blocked protection;

8 steps of timing adjustment;

10 programmable parameters;

1.5mm 3P servo connector;




Manual here: