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Forums
4hv.org :: Forums :: High Voltage
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528 9V batteries

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pauleddy
Wed Jul 27 2011, 03:22AM
pauleddy Registered Member #2909 Joined: Wed Jun 09 2010, 12:31AM
Location: fort belvoir, Va USA ( south of DC)
Posts: 145
if you scoll up and read my last post thats what i was doing im keeping all the ones that are >8v hooking up all the mid voltages, and tossing all the <3Vs ones
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Chip Fixes
Wed Jul 27 2011, 03:31AM
Chip Fixes Registered Member #3781 Joined: Sat Mar 26 2011, 02:25AM
Location:
Posts: 701
Oh sorry, missed that post
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ZakWolf
Wed Jul 27 2011, 05:29AM
ZakWolf Registered Member #3114 Joined: Sat Aug 14 2010, 08:33AM
Location:
Posts: 608
how do electrocutions happen? Its usually always an accident, so with that said accidently poking your fingers with leads is possible and deadly. You can still do it, i was just giving you a heads up.
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Adam Munich
Wed Jul 27 2011, 08:19PM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
I say series them.



528 batteries = 4.7kv
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Proud Mary
Wed Jul 27 2011, 08:33PM
Proud Mary Registered Member #543 Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992
Take great care if you connect all those batteries in series, which I personally do not think is a good idea.

Possible misadventures include fire, explosion, chemical and electrical burns, fibrillation, and perhaps worse.
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Myke
Wed Jul 27 2011, 09:04PM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
The insulation between the cells and the cans is not meant to be that high so if can-can shorting happens, you might start an arc within the battery.
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DrZoidberg
Fri Jul 29 2011, 08:22PM
DrZoidberg Registered Member #350 Joined: Mon Mar 27 2006, 05:14PM
Location:
Posts: 106
I once connected 100 9V batteries. Made a nice bright spark.
Here is the thread
Link2

But remember, such a battery is extremely dangerous. 9V batteries can easily deliver a few hundred mA. At 1000V that can be very deadly.
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Arcstarter
Fri Jul 29 2011, 09:14PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
SublimeVolts wrote ...

how do electrocutions happen? Its usually always an accident, so with that said accidently poking your fingers with leads is possible and deadly. You can still do it, i was just giving you a heads up.
I believe the point that was trying to be made is that 9v will not be enough to overcome the resistance of a body and pass a lethal amount of current. It would probably take over 100v if the electrodes are lightly touched with dry fingers to pass enough current to do any harm. The resistance of my skin from fingertip to fingertip is about 8Mohms when touched with perhaps a couple pounds of force. If this resistance where to stay constant (which it wouldn't, especially if the voltage where high enough to punch through the layers of skin), it would take a huge voltage to pass even 30ma.

But, no matter what science tells us, you should always treat anything over some tens of volts as if it was tens of kv. However, all these batteries in series would definitely be able to kill ya anyway, so keep that in mind.

I also think putting these batteries in series is a bad idea. Acid is unforgiving, as are flames and metal fragments flying through the air. The likeliness of the batteries exploding is surely very high, so i would suggest either finding something to make with them using only one and making a bunch of them, or you could always parallel smile
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