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Must convert LED strip to 12 volt

Discussion in 'Troubleshooting and Repair' started by Skippi, Feb 27, 2017.

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  1. Skippi

    Skippi

    2
    0
    Feb 26, 2017
    Hello, I have an LED strip which currently uses a transformer from 240volt to manage the input voltage & current

    I need to power it using a 12 volt deep cell battery (60amp) and a solar panel instead

    Please could someone tell me what to use. I have no experience other than knowing how to solder and changing basic things like fuses and plugs. I think I understand why we need resistors and have found some websites that calculate the resistors needed, but the strip is already there and has no marking on it that I can read.

    I assume I need to count the leds but is there any way I can measure their output so I can have more info? What I am really hoping for is someone to tell me all I need is one resistor and a fuse and a switch :)

    the photo is taken from the 240volt transformer box
     

    Attached Files:

  2. duke37

    duke37

    5,364
    769
    Jan 9, 2011
    It looks as if the PSU is 12V DC and a 12V battery would replace this without any other modification.
     
  3. Skippi

    Skippi

    2
    0
    Feb 26, 2017
    Thanks for replying. I thought i had to add resistors to stop the leds from overheating. Thats great. So a fuse and a switch is all i need? 5amp? And i have to make sure the wire is big enough yes?
     
  4. duke37

    duke37

    5,364
    769
    Jan 9, 2011
    And make sure that the polarity is correct.
     
    Skippi likes this.
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