Quote:
Originally Posted by Othen
That was an interesting article. If the system is running at more than 12V then the current would be less of course, so the heating effect on the wiring would be a bit less
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With normal incandescent bulbs the current increases with voltage. So a nominal 60W bulb may draw 5A at 12V making it's power 60W, but if you feed it say 14V then it will draw more current maybe not in a linear way. See the first example in that test a 60W bulb drew 5.4A at 13.5V.
Regarding cheap LED bulbs some people seem to find them OK, I found them rubbish. Although the light looked bright it gave very poor actual vision, a sort of watery light is the best way I can think to describe it. Presumably that's poor light distribution. I also found with mine that the difference between dip and main was too great, so to get a decent dip beam the main beam was too high. In the end I went for super expensive from Horizon LEDs, mainly because of a 40% off special offer.