Top Positive Review for Inverter on Banggood

21% OFF DC 6V-12V To 500Kv High Voltage Generator Inverter Boost Power Module US$10.99 US$13.99 View It

Overall:

einyaa 18/04/2016

It starts working with about 5V input, and works fine up to 12V. Don't use it with full power (voltage) in long periods, as the generator gets hot after some time. It generates sparks up to 5 cm - that is quite high voltage, but of course not 500kV (which should make sparks at least 50 cm). Around 50-60kV is a more real estimate. It seems that it also have an internal spark gap, as when the distance between the wires (40kV DC cables in fact) is to high (5-6 cm), you can hear sparks from inside the generator. So is it a breakdown or is it a spark gap? I think it's a spark gap, as I did this several times without notice any degrade in the spark lenght or function. So 5 cm is about what you can expect from this unit. However, it measures about 800 ohms between the output cables. So this is not DC, but short pulses of AC from the secondary of a transformer. I believe it is a "Tesla"-construction. First DC-input is converted to high voltage (500-1500V or whatever), and charging a capacitor. Then this high voltage charge is discharged through the primary of the second transformer (the Tesla coil). As at result, the secondary is generating insane high voltages in short pulses. At 12V input the repetition rate is several Hz at 5 cm sparks. It will not kill you, but it will without doubt give you an unplesant shock. Value for the money! With an x-ray tube, it will probably be able to produce x-rays too.

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