Emisar D4K 21700 ALL COPPER LED FLASHLIGHT

Emisar D4K 21700 ALL COPPER LED FLASHLIGHT

$88.95

$69.95

Quick description:

D4K COPPER

Finish Type*

Switch backlight*

Switch retaining ring type*

LED & Tint*

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$88.95 $69.95
  • This is single channel version, for the dual channel version, please click here

     

    The boost driver upgrade is available for the Luminous SST-20, Osram W1/W2, Nichia 219B R9080 and Nichia 519A R9080 LEDs, 2Amps per LED. The boost driver is not compatible with Nichia E21A, Nichia E17A or the mule versions of the flashlight. Note that the boost driver output is limited in comparison to the default driver, it is more efficient (90-95%) with a longer running time and less heat.

     

    Emisar D4K copper puts a high lumen output but generates a lot of heat at the same time, please acknowledge before purchasing. Unprotected, flat top battery works only (not included in the price), D4K does not work with protected battery.

     

    Features:

    • CNC machined from copper

    • Efficient UK made Carclo Quad LED optics

    • Unihead construction

    • High lumen output and low moon output

    • Ramping interface

    • Electronic soft touch switch

    • Beryllium-Copper springs with 45% IACS superior to stainless steel alloys used for springs with only 2% IACS.

    • Temperature step-down

    • Waterproof and dustproof to IP67 standard (up to 1 meter)

    • Weight:165g

    • Dimensions: 103mm(length) * 28mm(head) * 26.5mm(body)

     

    OTF lumen output at start-up:

    E21A : 1200lm

    519A : 3800lm

    SST-20 6500K: 4200lm

    SST-20 5000K: 4200lm

    SST-20 4000K/3000K 95CRI: 3000lm

    This product uses free software of Anduril 2, distributed under the terms of the GPLv3.

    Source code is available from https://toykeeper.net/anduril

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