Can this light output 1600 lumens?

LED Flashlights – General Info 18650 Flashlights
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I ordered it June 1st 2013…. for 24$ on Amazon for Flashlight + 2 batteries and Charger from Amazon.com

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Can anyone tell me the voltage range on the driver for this light? or will that depend on where i bought it from???

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Considering it's a 2x18650, it'd probably be 6-8.4V