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  • 28/08/2014

    The high voltage output of the module has a constant value ( perhaps around 400Kvolt ). This is why you have to set a distance of not more than 15mm. between the output electrodes. At any input voltage (3V. to 12V.) the maximum lenght of the sparks remains the same: 15mm. if you increase this distance, the spark doesn't appear anymore. What changes is the frequency of the sparks. At 3 volt you have about 3-4 sparks per second and at 12 volt you have much more sparks/sec. (perhaps 30-40). As you increase the input voltage the current increases too. 3,0V=1,2A; 3,5V=1,4A; 4,0V=1,67A; 4,5V=1,8A; 5,0V=2,0A; 5,5V=2,25A; 6,0V=2,5A; 6,5V=2,75A; 7,0V=2,90A; 7,5V=3,0A; 8,0V=4,0A; 8,5V=4,0A; 9,0V=4,0A; 10V=4,0A; 11V=4,0A; 12V=4,0A. Every test lasted 3 seconds. I think that the 4 Amps maximum limit is due to the diameter of the input cables that are quite thin and also think the best supply voltage for this module is about 7V, so two 18650 in series, with no current limitation, make a good job.

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  • 12/09/2014

    Had er twee besteld waarvan een het er niet deed, heb Bangood toen een mail gestuurd en gezegd dat een ervan stuk was, waarop ik een mail terug kreeg dat ze het spijtig vonden en mij een nieuwe zouden sturen, 6 dagen later had ik hem al in de bus. Bangood bedankt voor de goede service, dat geeft vertrouwen.

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  • 07/10/2020

    I already have made one high voltage teaser from it, for personal protection! It's working perfectly! Power Supply is Power Bank. Working frequency is 2 Hz (every second 2 high voltage punches)! Thanks, "Banggood"! Kind regards, Dean, Republic of Ireland, EU

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  • 13/03/2014

    Tremendous HV generator. I used just one 14500 battery to try and it made an 1.5cm arc. Very strong and noisy arc that smells ozone and looks really dangerous. Can imagine what it can do with 2x18500!!! Very nice device. NOT A TOY, be careful! But enjoy it ;)

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  • 05/02/2020

    i love this thing. i dont know about output but it gives a really good strong spark. i only use it for a few seconds at a time. I glued it on top of a £1.00 powerbank and wired it to a momentary button. It's rechargaeble and the power bank is , of course, still a powerbank. hehe. I bought two. I made a video of the arc :) https://youtu.be/rq41C5FmL1w

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  • 01/01/2015

    Good quality and funny high voltage gennerator, works well from single lithium cell - 3.7V. Spark at this voltage - 1cm, be sure to bring a HV output not far about 1cm from one to one to make a spark. Otherwise you can damage generator if powering on without a spark.(too far HV output one from another)

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  • 19/09/2016

    A great device for high voltage experiments!

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  • 05/02/2016

    Questo piccolo generatore è in grado di fornire impulsi ad alta tensione con un'alimentazione a 5Vcc. Consiglio assolutamente di non superare i 6Vcc pena la distruzione immediata dell'apparecchio. Raccomando molta cautela nel maneggiare il generatore sotto tensione, la scintilla generata può essere molto pericolosa, dunque non provatela ssolutamente su vostra suocera!!!

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  • 02/01/2015

    It took a little while 'til they arrivd and as I tested them I broke 2 because I had the bipolar discharge distance too high at about 200mm and that broke the modules... I would recommend a distance of 100mm as a MAXIMUM just to make shure the module can handle it...

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  • 01/08/2014

    tested with a single li-ion 18650, the power of the arc is amazing, has a tremendous power intimidating :) NOT A TOY, ONLY FOR EXPERT ELECTRICIAN

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