Use coupon ZDFJ339Q to save 10% for orders above $29 Average Delivery Time 12-15 DAYS
Your position: Home / Sofirn Products / Flashlights / 21700 Flashlights
  • Description
    Please calibrate the temperature if you find it steps down before getting hot.
    This video below tells how.

    The different Tints: 4000K is neutral white light beam while the 6500K is cool white light beam 

    There are 2 Options here:

    Option #1
     IF25A-4000K-4000mAh-KIT includes:
    1* IF25A 4000K LED version Flashlight,
    1* 4000mAh 21700 battery(inserted),
    1* charging cable

    Option #2
    IF25A-6500K-4000mAh-KIT includes:
    1* IF25A 6500K LED version Flashlight,
    1* 4000mAh 21700 battery(inserted),
    1* charging cable

    IF25A use Anduril UI, SST20 (6500K) led for max 3800 Lumens output. It doesn't change color temperature.


    1, Rechargeable: Charges conveniently through the built-in type-C connector, and no need to prepare a battery separate charger around hands

    2, Super Bright: ouputs 3800 lumens max. in full capacity of 21700 battery. It is easy to light up a room or throw at a distance

    3, Powerful Andruil UI driver: more than 12 kinds of variable brightness to play with, such as Ramping, muggle, moonlight, candle, beacon...

    4, Compact size: solidly bulit aluminum torch to have good tactile feel to the button and suitable for everyday carry (edc)

    5, Two choice of tints: cool white version with 4 pcs of 6500K sst20 LEDs while the neutral white version with 4 pcs of 4000K sst20 LEDs


    Emitter: 4x Luminus SST-20 LED 6500K (70CRI) or 4x SST20 LED 4000K (95CRI)

    Tint: 6500K is cool white light beam while the 4000K is neutra white light beam

    Optic: TIR lens

    Voltage: 3.0V – 4.2V

    Battery options: One 21700 Battery

    Dimension: 106.4mm (length) × 35mm (head diameter)

    Weight: 99 grams (without battery)

    Premium type 6061 aluminum alloy, hard-anodized with anti-abrasive finish

    Toughened mineral glas lens

    Side switch for one-handed operation

    Default Brightness: A mode (7 lm)-- B mode (40 lm)-- C mode(110 lm)-- D mode(260 lm)-- E mode(600 lm)-- F mode (1200 lm)-- G mode(2000 lm)-- H mode(3800 lm)

    Automatic Stepdown: Depending on the driver’s temperature, the IF25 will automatically reduce its brightness to prevent overheating.

    Low stand-by drain: < 50ɥA

    Power Indicator:The LED indicator in the side switch shows the battery’s power status. Low Voltage Protection

    IF25A uses the same firmware as SP36 BLF Anduril
    The product uses copyrighted code released under the GNU Public License v3 (GPLv3).
    To know about the exact source code used in the product, please go to

    If you want to more details about the the following operation, please feel free to contact us:

    1), How to set up the stepped ramping
    2), How to set thermal configuration
    3), How to reset the factory setting
    4), How to turn off the indicator on switch
  • Manual

IF25A Anduril Rechargeable LED Flashlight with Battery, max 3800 lumen 4000K / 6500K tint, Works with Your TypeC Charger Powered by 21700 battery

6500K MAX 3800LM
53% OFF
    Please select the information you wantX
  • Tint:
  • Color:
(3983 available)
Shipping Cost:
Estimated Delivery Time:
Please select the country you want to ship from

Copyright © 2005-2025 sofirnlight Ltd. All Rights Reserved.

Message Us