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it depends, lumens measures light and watts measure power. check out this article; http://wiki.renderplus.com/?title=Lumens_vs_Watts
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How many volt do you need if you have 12 led 3w and 700mA?
about 2wattes
What is the lumen output of a GU10?
It depends on the type of GU10 lamp - an GU10 LED will have a lower power usage (cheaper to run) but lower Lumen output. For example a 3W GU10 LED lamp in warm white has an output of about 150 Lumens. For a halogen GU10, a 35W bulb will have an output of about 600 Lumens. For more powerful lamps, expect a higher Lumen output. Finally you have an option such as a low energy GU10 such as the Megaman, which for a 7W power value gives an output of 620 Lumens, which exceeds that of the halogen bulb and also has a longer life.
How many lumens do you need to replace a 400 watt halogen with a led flood light?
From halogen to LED you can divide by 4 to find the equivalent. Therefore an 80 watt LED would do the job.
How many lumens in an F10T5 830 tube?
This is roughly 500 lumens
How long will a 12v 2.5ah battery run a 3w LED?
12w at 12v = 1amp 3/12=0.25 0.25amp = 250ma 2.5ah= 2.5amps per hour 2.5/0.25=10 A 3w led at 12v 2.5ah battery will last 10 hours.
How many lumens does a flashlight with a 1 watt LED have?
The maximum lumens that a 1-watt LED flashlight can have now is 160.
How many volt do you need if you have 12 led 3w and 700mA?
about 2wattes
How many lumens in led strip lights?
About 80 lumens per watt of electric power is normal for LEDs.
How many lumens does a good projector have?
A good projector will have 2000 or more lumens, but an LED projector will have much less.
How many lumens does an 18 watt CFL give off?
Currently maximum LED luminous efficiency is about 114 lumens/W, measured at 50mA. Average luminous efficiency is about 104 lumens/W. Ordinary LED light effect is about 60 lumens / W. 18W is about 130 lumens is about 1080 lumens.
How many lumens in 30 watt led?
1800lumens per watt
What is the lumen output of a GU10?
It depends on the type of GU10 lamp - an GU10 LED will have a lower power usage (cheaper to run) but lower Lumen output. For example a 3W GU10 LED lamp in warm white has an output of about 150 Lumens. For a halogen GU10, a 35W bulb will have an output of about 600 Lumens. For more powerful lamps, expect a higher Lumen output. Finally you have an option such as a low energy GU10 such as the Megaman, which for a 7W power value gives an output of 620 Lumens, which exceeds that of the halogen bulb and also has a longer life.
How many lumens per watt?
161 lumens I believe the above answer to be inaccurate. It depends on the light source. For example: For an incandescent light bulb 1 watt it is approx. 18 Lumens. However most LED's use only about 10% the wattage to produce the same amount of light. So for LED's .1 watt produces 18 Lumens.
How many lumens do you need to replace a 400 watt halogen with a led flood light?
From halogen to LED you can divide by 4 to find the equivalent. Therefore an 80 watt LED would do the job.
What is the unit of measurement for a light from a LED?
usually lights are measured in lumens
Why are LED light bulbs good?
LEDs use the smallest amount of electrical power to produce a given amount of light. Approximate data: Incandescent 12 lumens per watt Halogen: 15-17 lumens per watt CFL: 50 lumens per watt LED: 80 lumens per watt Sodium lights as used in street lighting produce 100-200 lumens per watt.
How do the types of light bulbs compare?
The main types are: Incandescent 10 lumens per watt Halogen 13 lumens per watt Fluorescent 40-50 lumens per watt LED 40-60 lumens per watt Lumens measures the brightness, watts measures the electric power used.
