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10w red Customers Reviews

  • So Far So Good

    posted by jlinnema

    Incredibly easy to solder due to the extended legs with through holes. Quite bright. Cool runningSeems to be the correct colors for plant response
    I received 4 of these just a few days ago. Currently running a 19.5V constant voltage supply, 3.3 OHM (10 W) resistor, and then two grow lights in series. The lights are affixed to a 3/8" thick plate of Al with an old P4 heatsink on the other side. Ran for 8 hours with minimal heat buildup and the basil seemed to respond well (went from curved towards the window to vertical while on)
    Much cheaper than purchasing a combination of 8 red and 1 blue LED, and so far seem to be functioning as expected.
  • Bright LEDs

    posted by bradley90

    These are super bright RED LED modules. With only a 10 Watt dissipation, it is really easy to mount to a small heat sink with a small fan and not worry about over heating the modules. These modules would make fabulous emergency back lights. By keeping the amperage below 500ma, a smaller heat sink would be required and a simple constant current source could be constructed using a 78LM05 voltage regulator and one resistor. No fan would be required
    None - Just great LEDs
    Bottom line, for the money, these are awesome LEDs. They can be used in interesting DIY projects like LED communications or theme lighting.
  • Very bright!!

    posted by TIPtheTOE

    Bright!!! and Blinding 9 emitters Not bad,RED Light had no problem installing them to my Suzuki Burgman 400 K7 Rear Asse there very Visible on the Streets
    Running them off a Mini SKU: 126106 DC Voltage Stabilizer/Regulator Module with no problems for 4 weeks now, there worth it? Buy them
    Color leds really don't get as Hot as White does only a Half a us Dollar size heat sink was needed, No problems running them from 12v-13v Engine

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