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I'm having weird grounding problem with my lightsaber - the plasma beam shows light interference. I think the surge circuit is in ground loop with AC mains as this interference is much more prominent when placed near transformers (Desktop PSU or laptop power brick). I was not able to measure capacitance of the two inverting capacitors from the dilithium cell - their value is likely in kilofarads (both seem to overload my digital multimeter, but there is some sort of voltage difference between the body and negative terminals - upon connecting those to my oscilloscope, I measured 450mV slew at 150Hz with 5% THD+N, so it seems there is a grounding problem between the body and the internal electronics (I'm based in Europe, with 230V 50Hz mains). Any idea where the problem might be, or which components need replacing?