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post #1 of 5 Old 09-02-2012 Thread Starter
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LED: AC to DC

Costco has a package of 4 strip LEDs for $30. They can be linked as one long LED or connected with varying lengths of wire. They come with one hi / lo switch and the plug / transformer that steps the AC down to LED levels.

Can one simply cut off the plug / transformer and connect the two wires to a 12V battery?

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post #2 of 5 Old 09-02-2012
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Re: LED: AC to DC

That depends...

Take a look at your brick (transformer). What's the output voltage?
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post #3 of 5 Old 09-02-2012
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LED: AC to DC

Edit: I didn't read this too carefully.

As suggested you're probably ok if the brick is 12v, if no you may have a problem either being too dim or too hot. However the odds that it's 12v exactly aren't that high (said by someone whose never used these before). Also, although the LEDs themselves run off dc there are different ways they may have designed it to handle the AC which will impact how well it works.

Last edited by asdf38; 09-02-2012 at 12:43 PM.
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post #4 of 5 Old 09-02-2012
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Re: LED: AC to DC

I looked at most everything Costco and Home Depot sold and between the bad color and nothing was really more than one step above junk

I sprung for the sensibulbs and have zero regrets




Now the boat has the best lighting it ever had with a current draw so low it is a non-factor

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post #5 of 5 Old 09-02-2012
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Re: LED: AC to DC

If you want cheap 12v led strips, there is some good stuff on eBay for much less money for much more running length of LED strips. I got 5 meters of waterproof flexible strips for was it $20? They provide a wonderful glow to my cabin.

Make sure to get warm white.

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