Forum Discussion
Almot
Jun 26, 2013Explorer III
Measure them. It varies wildly, but on the average you may count on 3 times less watts per same amount of lumens as in incandescent bulb. In other words - per same brightness. This is - ignoring differences in color temperature which always exist, and affect the brightness (bluer lights feel brighter than yellower lights). Besides, the numbers for lumens quoted for "China boards" with those 48, 24, 9 etc LED are not too accurate.
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