Emisar D4Kc 21700 Led Flashlight with Built-in USB-C Charging

Emisar D4Kc

Will be available in November 2026

More information will be added

NOTE: All metal aluminum switch ring/button is included by default

8H to ramp D4KC aux LEDS to max brightness

User interface:

Anduril 2 ui

Driver: 

40w 12v 3a Noctigon boost driver with advanced aux

5v 2A built-in USB-C charging input

5v 1.5A output 

Emitter:

Quad 3535smd leds

Mule option available 

Mule auxiliaries tri-aux included

Battery:

21700 flat top unprotected cell, min 20A CDR

Please do not use button top with built-in charging or protected cells

BATTERY NOT INCLUDED!

Body colors:

Black, midnight blue and green (more colors in the future)

Included options:

SS bezel by default

Same bezel as the D4 and D4k

Optional accessories (not included):

21700 battery

Anodized ss bezels

Pocket clip

Features:

• CNC machined from aircraft-grade aluminum

• High end custom made N244SW optic installed by default, if you like other type of optic instead, please feel free to contact us.

• Unihead construction

• Aluminum metal button with electronic soft touch switch

• High end 40W boost driver installed by default, high lumen output and low moon output

• Removable magnet

• Ramping interface

• Aux LEDs ramping feature (8H on the advanced mode)

• 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:79g

• Dimensions: 28mm(Head diameter) * 25.5mm(tube diameter) * 110mm(length)

The price includes:

D4KC flashlight with SS bezel

(If the customer chooses the pocket clip option, the clip and bezel will be the same color)

Spare o-rings

USB-C lanyard

OTF lumen output at start-up:

NTG35 5000K/4200K: 2900lm OTF / 98,000cd

NTG35 2700K: 2500lm OTF / 72,000CD

NTG35 1800K: 2000lm OTF / 6,100cd

519A 5700K/5000K DOMED: 2600lm OTF / 7,200cd

519A 4500K/4000K DOMED: 2400lm OTF / 6,200cd

519A 3500K/2700K DOMED: 2200lm OTF / 5,100cd

519A 1800K: 2000lm OTF / 3,800cd

519A 5700K/5000K DEDOMED(about 1300K CCT reduce): 2300lm OTF / 98,000cd

519A 4500K/4000K DEDOMED (about 1200K CCT reduce): 2100lm OTF / 72,000CD

519A 3500K/2700K DEDOMED (about 1200K CCT reduce): 1800lm OTF / 6,100cd

SST-20 6500K: 3200lm OTF / 13,200cd

SFT-25R 6500K/5000K: 3600lm / 15,800cd

Charging Status Indicator: (5V 2A for battery charging, 5V 1.5A for device reverse charging)

Green light slow flashing: battery in charging

Green light constant on: battery charging complete

Red light constant on: device in charging

Red light slow flashing: device charging complete

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

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