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After having had my bag stolen, I am putting together a new EDC kit, and am wanting to include a flashlight. I want it to be at least as powerful as that featured on the iPhone 5. Does anyone know how powerful the one on the iPhone 5 is, measured in Lumen?

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My apologies for not being able to give you a 100% answer. But I did find a informative post about the LED strength of an iPhone 4 (should be the same for the 5 - not the 5S).

Using a combination of direct and reflection lux meter readings, and comparing the same readings to lights of known lumen output, I'd roughly estimate the iPhone 4 LED is about 5 to 10 lumens in normal continuous use.

It briefly gets significantly brighter when used as a camera flash, but it's too brief to measure with my lux meter. I'd estimate it's about 4x brighter, which is around 40 lumens, but only for about 1/4 second.

Source

I hope this helps!

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