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OfflineSillyWilly
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Obtaining 120V AC from a 12V DC battery??
    #3205140 - 10/01/04 11:09 PM (12 years, 2 months ago)

Hi, I have a 10,000 mah 12V DC battery and want to power a plasma ball that runs on 120vac wall power....Is this possible? do they make compact dc to ac converters/inverters?


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OfflineReject
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Re: Obtaining 120V AC from a 12V DC battery?? [Re: SillyWilly]
    #3205215 - 10/01/04 11:25 PM (12 years, 2 months ago)

yes, if nothing else you can do it with one of the car ones, I've wired up a coffee pot to a car battery before to make it work.

Why are you wanting to do it?


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OfflineSillyWilly
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Re: Obtaining 120V AC from a 12V DC battery?? [Re: Reject]
    #3205415 - 10/02/04 12:18 AM (12 years, 2 months ago)

I am making a wizard staff that lights up for haloween and I want the crystal ball on top to be a plasma ball but I also need to fit this inverter in a 4" PVC pipe .


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Offlinefelix
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Re: Obtaining 120V AC from a 12V DC battery?? [Re: SillyWilly]
    #3205702 - 10/02/04 03:32 AM (12 years, 2 months ago)

you definitely need a cd adapter..or inverter..

sounds like an awesome idea. i reccomend instead of getting the inverter inside of the pipe, maybe making the inverter part of the base. you could use fiberglass and \ or foam (a can of 'great stuff' expanding foam) to shape it.


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Real botanists laugh at HPS systems, we do however use high pressure sodium in the parking lot. - artthug


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Offlinefelix
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Re: Obtaining 120V AC from a 12V DC battery?? [Re: SillyWilly]
    #3205710 - 10/02/04 03:36 AM (12 years, 2 months ago)

you should find out how many watts the ball thing needs. it should be listed on the base or somewhere out of sight..
here's a small inverter i saw
http://www.qvc.com/asp/frameset.asp?aol_...GOG&ref=GOG


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Real botanists laugh at HPS systems, we do however use high pressure sodium in the parking lot. - artthug


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Offlinedebianlinux
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Re: Obtaining 120V AC from a 12V DC battery?? [Re: SillyWilly]
    #3213027 - 10/04/04 10:45 AM (12 years, 2 months ago)

IINM the things have a step down transformer in them (or on the plug) to begin with. in fact, 2 out of the three plasma lights i own have 12VDC supplies. the 3rd is a particularly special plasma that extends over 3'.


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OfflineSillyWilly
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Re: Obtaining 120V AC from a 12V DC battery?? [Re: debianlinux]
    #3213926 - 10/04/04 03:22 PM (12 years, 2 months ago)

Thanks for that info debian, I would really appreciate if you could spread a little bit more of your knowledge regarding my plasma lamp....I opened it and and have the circuit board seperate from the ball I can illuminate the fixture a few feet from the actual module components....Mu unit plugs directly into the wall socket...no transformer-inverter or anything just a plain ac inlet...My ball is only a 6 inch width.......I would of liked an an 8 inch but they do not make them in this style.... The circuit board has the basic componetsn---capacitors-relays-resistors but there is this big component that has copper wire sprung around as if it was a spring of some sort....Im not sure if I replace this with something else I would be able to run this thing off 12VDC....I will try to get a pic up sopmetime but plzz keep in touch! I need your help in pursuing this porject..
Thanks alot man, Silly


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