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24v led lights

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24v led lights Customers Reviews

  • Quick electric test of 28-LED PCB

    posted by MarcoWink

    Compared to small emitters (10W, 20W) on metal board, this one has a much larger area, so cooling is more convenient and less critical wrt thermal conductivity.
    All leds appear to have same light intensity, aluminum PCB will make sure temperature is about the same over the board, which is important.
    Price per lumen, convenient.
    - heatsink/PCB is large enough to enable to run the light without additional cooling till about ~5W (0.25A, 20.5V)
    - I made some quick measurements, the PCB appears to have a Rth of about 4K/W. At 10W end temp of PCB was 60 C, at room temperature (not recommended for permanent use), note that in a ceiling fixture environment temperatures will be higher.
    - Note that when temperature of the leds increases, current increases with same voltage, so use a real current source in stead of voltage source to stay save!
    - you could cut (saw) the PCB if you need another voltage!
    "2800" lumen for 20 USD is good offer, convenient module.
  • Nice Led board

    posted by elpelikano

    Good qualityGood thermal conductorGood priceGood finishEasier to solder with 1W leds
    Useful for connecting several board and get a high illumination.
    Ideal for use with a heatsink. I recommend using silicone grease
  • Powerful light

    posted by albertcfont

    pure white and very powerful light. Compact. I'll use it for an aquarium daylight. I'm happy with this LED board but it's a little bit expensive for beien a DX one
    Maybe it could cost a few dollars less, but it covers all my needs
    Do not forget to add extra heatsink, it gets really, really hot!
  • Great little lamp

    posted by Jaaap

    - Very bright, brighter than the normal incandescant light or sku.18508 for example.
    - Very sleek so the width won't be a problem when fitting this to your car.
    - Low power draw: about 140mA (1.8W)
    This is a great lamp if you want a bright one that doesn't draw a lot of power.
  • Nice light

    posted by PeteZ

    Give a nice white to bleu light, good brightness,perfect fit for a standard T-10 fitting.I have bought a few of them, and also ordered for my co-workers who saw them in my truck and liked them a lot.
    We need more 24 volt led bulbs on deal extreme!
    If you are looking for nice white led bulbs to use in top-lights or something, these are the best, for use next to headlight bulbs they are ok, but will die from the heat after a few months.

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