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Unread 07-27-2013, 10:36 AM   #1
clockwork-kit
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LED powering help!

Okay, so I bought a couple of spools of this brand on LED strip lights here:

http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1

I'm going to be cutting it up and using it on my Vividblue cosplay here:

http://0-media-cdn.foolz.us/ffuuka/b...8616123945.jpg

What type of power source does this require? Can I get a battery pack or do I need an adaptor?

I'll be wearing this to Otakon for two out of the three days so that's something to keep in mind

(it says it's 12 volts or 24 watts)

Thank you for your time!
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Unread 07-27-2013, 10:48 AM   #2
nathancarter
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Presumably, it'll say on the packaging. The first review says it's 12V, which is pretty standard for many devices like this, with amperage scaling up as you add more lights.

My advice would be to figure out how many LEDs you're keeping on the strip, figure out what amperage you need based on that count, then figure out what batteries will supply 12V without going overboard.

Couple of options:
http://www.amazon.com/Battery-Holder...ery+holder+12v

http://www.amazon.com/Strip-GP-High-...ds=12v+battery
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Unread 07-27-2013, 10:55 AM   #3
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12 volts means roughly 8x AA batteries, first you'll want something like this:

http://www.radioshack.com/product/in...lter Value=AA

Then you either need to figure out what kind of plug it needs and wire it up that way; or just cut off the plug, strip the outer wire, find the individual (+) and (-) wires, strip them -- and wire those up.

Note that 24 Watts means 2 Amps, it will only last for about an hour of AA's (unless you are cutting the strip down to a smaller size). You probably want to use rechargeables for this reason, and not leave it on when you don't need it on. If you don't mind losing some brightness, you might want to go to only 6x AA's which should still make it light up, just not as bright.
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Unread 07-27-2013, 10:58 AM   #4
clockwork-kit
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Thank you both for your help!

Would A23 batteries work? It says they're 12 volts.

EDIT: I mean, can I use any sort of battery pack and put A23 batteries in them? Or do I need a battery holder specific for A23 batteries?

Last edited by clockwork-kit : 07-27-2013 at 11:09 AM.
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Unread 07-27-2013, 04:12 PM   #5
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I'm sure the A23 will be a different shape than, say, a AA. This looks promising, for a single:
http://www.amazon.com/Gino-Replaceme...ref=pd_sim_e_1

If you're cutting the strip down, it's going to need less amperage and your batteries will last longer.

A single A23 in each of your knees and each of gauntlets, one A23 in the dress/bodice, and one in the staff ... seems pretty doable. Buy twice as many batteries as you think you need so you can replace them as they wear out.

[edit] I didn't look at the picture good enough, if you're doing the whole "hammer" head of the staff, and not dividing up the LED evenly, then maybe you'll need a different solution for that.
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Last edited by nathancarter : 07-27-2013 at 04:14 PM.
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