Lots of light, cheap No datasheet. Slightly in the cold temp region. No info about light quality/Ra. I measured 1.6A at 33V at initial power-up.
Current quickly rises (with temperature) in case of constant voltage supply. It seems more balanced at constant current.
My camera claims the LED colour temperature ... Read more
It is easy to install, just be sure to use good spread of thermal paste and big heatsink from P4 era with fan powered with series resistor (100 OHM 4W will work).
Those 1W chips light evenly after enough current is flowing, don't worry. You can buy an inverter from grid or 12V for it. the base is flexed ... Read more
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