Video review of this racestar 4 in 1 ESC with Bl heli S. I expect great things from this esc and cant wait to get my hands on v2. There is also a RS30 4in1 as well. The awesome thing about this esc is that it is rocking BL heli S, which is smoother and can handle higher much higher motor rpm more smoothly without desync or failure. Also these RS20a 4 in1 esc is that it is only $30. That is so cheap. Normally I am very wary of 4in1 escs because if one burns you need to replace the whole thing. But at this price I dont think you can complain. There is also a v2 which looks even better for around the same price.
V1 link -
V2 link -
30amp version -
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