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Question:

20wled bulbs are more energy-efficient than 20w fluorescent bulbs

20wled bulbs are more energy-efficient than 20w fluorescent bulbs

Answer:

Power electricity consumption is same (same as 10 jins of cotton and 10 jins iron who weigh the same - they are different size). The LED light and fluorescent lamp is different of different life! Also look at the type of LED lights (some brightness nights are bad) don't let vendors and manufacturers cheat!
Led fluorescent lamp is twice as common fluorescent lamp, luminous efficiency is 10 w led fluorescent lamp brightness is equivalent to 20 w common fluorescent lamp brightness, what's more, the led fluorescent lamp light Angle of 120 degrees, ordinary fluorescent lamp light Angle is 360 degrees, so the led fluorescent lamp to use more efficient, and common fluorescent lamp ballasts, it also consumes, and led fluorescent lamp does not need. So led fluorescent lamp is very energy-saving, normally can guarantee 3 years.
LED power, which USES electricity at the same brightness, is 80 per cent of other appliances.

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