SF E1+KL4: Output?

BBL

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Sep 19, 2004
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770
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eu/at
Does anyone know how much light the KL4 puts out (in numbers) on a E1 body?
How does it compare to other Lux I/III/V lights? eg. KL1, Q3, etc.
 

JanCPF

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Oct 17, 2003
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846
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Denmark
BBL,

On one CR123A cell it highly depends on the forward voltage of the Luxeon you have in the KL4. Do a search on "TW4" and you will get lots of info on the KL4 running on one CR123A. If you want the full 65 lumens of output, you need to use a rechargeable R123 Li-Ion cell that will provide a nominal voltage of 3.7 volts.

Jan
 

asdalton

Flashlight Enthusiast
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Dec 12, 2002
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1,722
Location
Northeast Oklahoma
On a fresh battery, my KL4/E1e combo puts out about 3x as much light as my Arc LSH-P, and slightly more light than my Inova T3. It won't stay that bright though the whole life of the battery, though.
 
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