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Question:

What is the 15 Watt lumen of the LED bulb?

What is the 15 Watt lumen of the LED bulb?

Answer:

In general, every W is 60 to 100lm, the average is about 80lm, 15W is about 1200lm
The general high-power lamp for 1W 80ML 15W ~ ~ ~ is about 1200 lumens, but you use good chip ~ higher lumen.
LM, refers to a candle (CD, Candela Candela, unit of luminous intensity, the equivalent of an ordinary candle light intensity) in a solid angle corresponding to the spherical cone ball (1 square meters of the unit sphere radius of 1 meters on the representative point of view, the corresponding section in the center angle of about 65 degrees the total emission flux) on the.
Each brand has different bulb qualities, probably around 1W between 60-85LM/W.
The chip is better, but it's also 80lm/w's light effect, so the 15W flux is 1200lm's.. The chips are even lower

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