I set the resistors to 50 ohms, because I had them available.
Four 50 ohm resistors in parallel = 12.5 ohms.
Maximum current for different batteries:
2S lipo: I=(4.22)/12.5=0,672
3S lipo: I=(4.23)/12.5=1,008
4S lipo: I=(4.2*4)/12.5=1,344
You can install resistors of a lower nominal value, then the discharge current will be more. But be careful, resistors can get very hot.
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