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ThruNite TC20 3800 Lumen Flashlight


Product Description

TC20 rechargeable LED flashlight adopts the 2nd generation of CREE XHP70 LED to make output up to 3800 lumens and max beam distance of 320 meters at turbo mode. With an included rechargeable high capacity 5000mAh 26650 battery and USB charging function, this super bright light can operate at the high mode of 1800 lumens. General lighting modes and strobe are controlled by the side switch. The compact design makes this light is an excellent tool for indoor and outdoor use. 


  • LED: CREE XHP 70 2nd gen. with a lifespan of 20+ years of run time. 
  • Compatible with: 1 x 26650 (ThruNite 26650 5000mAh). 
  • Reflector: Orange peel reflector.
  • Working Voltage: 2.75 - 4.2 V.
  • Output mode/Runtime:

    -Turbo (3800 lumen; 130 minutes)

    -High (1800 lumen; 145 minutes)

    -Medium (320 lumen; 10.2 hrs)

    -Low (38 lumen; 46 hrs)

    -Firefly (0.5 lumen; 37 days)

    -Strobe (2280 lumen; 180 minutes)
  • Peak Beam Intensity: 25580 cd. (max).
  • Max beam distance: 320(max).
  • Impact resistant: 1.5 meters.
  • Waterproof to IPX-8 Standard (2meters).
  • Weight: 148g without battery. .
  • Dimensions: 119mm in length x 42mm in head diameter x 33.5mm in tailcap diameter.
  • Accessories: Holster x1, Spare O-rings x2, Lanyard x1, ThruNite 26650 battery x1, USB Charging Cord x1, Spare USB plug x1, Spare Side Switch cap x1


  • Turn ON/OFF 
    Single click the switch to turn the light on and off. 
  • To Change Modes: 
    When the light is on, long press the side switch to cycle through low, medium and high.
    Shortcut to firefly: When the light is off, long press the side switch to get firefly mode.
    Double click to turn to turbo from any mode. Another double click to get strobe.
  • Memory Function: 
    The light will turn on in the last mode accessed, except firefly, turbo and strobe.
  • Rechargeable Function:
    2A charging by USB port. During charging, the indicator is RED. After being fully charged, the indicator will be BLUE.
    When indicator flashes purple, it means abnormal charging. Only firefly, low and medium modes are available while charging.

Product Reviews

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  1. Amazing Light! 5 Star Review

    Posted by on 20th Apr 2018

    This is another amazing light I got from Thrunite. It’s a great product.

  2. ThruNite TC20 3800 Lumen Flashlight 5 Star Review

    Posted by on 18th Apr 2018

    The Thrunite TC20 rechargeable flashlight is small, powerful and well made. I am very happy with my purchase.

  3. The TOP 5 Star Review

    Posted by on 22nd Mar 2018

    Cette lampe est parfaite:
    -très bonne prise en main
    -éclairage de qualité sans point chaud
    -puissance hors norme !!!
    -une seule batterie 26650 qui suit sans problème la puissance

    J'en ai commandé 2, rien à redire, qualité THRUNIGHT comme d'habitude.
    Un MUST !!!

  4. Most practical flashlight EVER 5 Star Review

    Posted by on 21st Mar 2018

    It's easy to find bright flashlights but hard to find flashlights that can maintain the high lumens for practical usage. Typical flashlights on Turbo dim rapidly to 20% of the start up lumens.

    My only complaint is the emitter choice has too much green tint. This looks like a B or C tint. I wish it was A or D which would make it less green/yellow and more neutral/rosy. My 4000k XHP70.2 80CRI flashlight has no green and less yellow than this 5000k XHP70.2. My XP-L HI 4000k 5D tint is much less yellow than this.

    Otherwise, this would be the perfect flashlight.

  5. crazy bright! 5 Star Review

    Posted by on 17th Mar 2018

    I can't believe how bright the high beam is. excellent that is charges with a usb cable as well

  6. amazing! 5 Star Review

    Posted by on 16th Mar 2018

    soooo nice !

  7. My first Thrunite flashlight 5 Star Review

    Posted by on 14th Mar 2018

    My first Thrunite product and certainly not the last! The light is smaller in person, has a nice balanced weight to body ratio, the button has a nice unique click to it, it looks and feels greatly CNC machined body and anodized, lens are high quality, everything is high quality, even the springs inside and threads are smooth and lightly oiled. It's very bright, with original battery there is a bare difference between 1800 lumens and 3800 lumens, I'm waiting for a liitokala 26650 battery. Overall you won't be disappointed with this light, it's a sun in the hand.

  8. Down work 1 Star Review

    Posted by on 12th Mar 2018

    Flashlight did not work

  9. Super Bright. 5 Star Review

    Posted by on 11th Mar 2018

    Very! Very! Bright little flashlight.

  10. Belle lampe 4 Star Review

    Posted by on 11th Mar 2018

    Lampe compacte et très bien construite , simple d’utilisation , malheureusement je ne vois pas de réelle différence entre le mode high et le mode turbo.

  11. Small light yet very bright 5 Star Review

    Posted by on 10th Mar 2018

    I ordered on Feb 22 and recieved on Feb 25.I really like this flashlight.This is a complete package included battery and holster.I like the convinience of USB charging and the battery indicator on the button. The 26650 battery provides a long runtime .It is palm sized yet turbo mode gives you 3800 Lumens and unlike other lights it does not get very hot or 50 second stepdown while on this mode (It sustained 6 minutes ).One slight twist of My only wish is that the holster were a better quality.

  12. Definitely Bright 4 Star Review

    Posted by on 9th Mar 2018

    I received the flashlight a few weeks ago and have had the opportunity to use and carry it as my work EDC and camping. I am a firefighter/paramedic captain in a city.
    Overall I really do like the light and have not really seen it's equal for my carry purposes, but there are a few things lacking that would make it a great 5 star light.
    Let's start with the Pro's
    #1 First and foremost it is the brightest light for the size I have found.
    #2 It is the smallest and easiest to carry 26650 light I have found.
    #3 It is easy to operate.
    #4 It is a good value and price point.
    #5 easy to charge in the vehicle with micro USB
    #6 It can tail stand.
    #7 I like the "floody" not narrow spot of the light as I am in a city and need the light in rooms, alleys and rarely longer than 50 yards.

    Now the CONS:
    #1 The switch though it functions well is difficult to feel and locate quickly in the dark, even without gloves. It could use a more tactile switch.
    #2 I have had several occasions that the light has gotten switched on in it's case, The switch could be more protected from accidental activation.
    #3 I would love to have a protected tail switch (So it could still tail stand) that could activate turbo and strobe. Note: I don't think any of the 26650 lights have this but it would just be an awesome addition!!!
    #4 I would like if the strobe were slower and irregular, better for disorienting.

  13. Best flash light I have ever owned 5 Star Review

    Posted by on 7th Mar 2018

    A must have for any outdoorsman or survivalists

  14. Empfehlenswert 5 Star Review

    Posted by on 5th Mar 2018

    Die Lampe ist der Hammer!! Absolut handlich und trotzdem mega hell. Ein must have

  15. Small and powerful 5 Star Review

    Posted by on 5th Mar 2018

    This small light got an universal beam for indoor, city and all around the house. It feels very comfortable in the hand and is easy to use. One of my favorite 26650 battery flashlight. I have a cool and a neutral white one, because I couldn't decide. CW is near neutral and neutral is near warm white light.

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