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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. Extremley practical 5 Star Review

    Posted by on 4th Feb 2019

    You can illuminate an entire room with this flashlight by pointing it to the ceiling. The throw is far enough. The broadness of the light, ease of charging, replaceable battery, and pocket friendly size make it extremely practical.

  2. Lot's of light in a small package! 5 Star Review

    Posted by on 19th Jan 2019

    The TC20 is simply an excellent all around flashlight. Yes, a bit large for a pocket, but carries well in the holster, or in a coat pocket. Outstanding run times, and levels seem to be just what I need. Love the USB charging too. Well done Thrunite!

  3. Super bright and fits in the palm of your hand 5 Star Review

    Posted by on 13th Jan 2019

    Solid, we'll finished flashlight. I use it daily.

  4. Quality throughout. 5 Star Review

    Posted by on 29th Dec 2018

    I own three thrunite flashlights at this point. I have found all thrunite products to be high quality. Would definitely recommend this company. Great group to deal with!

  5. Extremely Bright! 5 Star Review

    Posted by on 28th Dec 2018

    Very bright, flashlight feels durable and well made.

  6. Great build Quality 5 Star Review

    Posted by on 22nd Dec 2018

    Excellent build quality, good compromise between throw/spill IMO. I bought 2 of these, my only complaint is the first one was purchased on Amazon, but then realized there was 20% off on the Thrunite web site, even though the Amazon purchase was fulfilled by Thrunite no hint of the 20% off. Would be a much happier customer if I could get a credit for the 20% discount. I own 14-15 Thrunite flashlights.

  7. Thrunite tc20 5 Star Review

    Posted by on 20th Dec 2018

    Actually ordered this as a Christmas gift but I tried it out being somewhat a flashlight junkie. Very impressed with it. Very bright with good runtimes and in such a small package. I won’t buy a flashlight unless it’s rechargeable and might have to pick up one of these for myself. Highly recommended if your looking for a small powerful rechargeable light.

  8. A Bright light! 4 Star Review

    Posted by on 20th Nov 2018

    I use it when filming in underground mines. It is very bright and lights up large stopes well. I had to replace my first one I dropped it only a few inches and the glass broke on a rock so they are a little fragile.

  9. Very powerful 5 Star Review

    Posted by on 13th Nov 2018

    This lite is unreal for it's size, it really lites up everything

  10. as good as i hoped it would be 5 Star Review

    Posted by on 19th Oct 2018

    i received this nicely packaged TC20 in NW today in the mail. i charged it up until the light turned blue. out of the box i love the small stature and solid feel. the light screems quality and the output is exactly what i hoped for. it lights up a room when you put it on high/turbo. very usable and the size is perfect to keep inside a coat pocket. the color of the beam is perfect. overall a great item and a decent price point.

  11. Perfect walking light 5 Star Review

    Posted by on 16th Oct 2018

    The light is smaller than you would think. Shorter than some of my 1 x 18650 lights, but a bit wider. Overall it’s very comfortable to hold.

    The beam shape is perfect for an all around light. The low mode is great for close up work. Medium is perfect for walking. It had enough throw to see further away objects, but it also has a nice wide hotspot and bright spill. High and turbo is great for lighting up everything in front of you.

    I keep the light by our front door and use it for walking at night, taking out the trash, camping and for everything else I might need a light for.

  12. Great Light! 5 Star Review

    Posted by on 30th Sep 2018

    Excellent light for all kinds of tasks. Not very EDC friendly, but it's not supposed to be. It is great as a utility light like a old 2 D cell Maglite. Thrunite please make a 2 Cell version of this light. That would be really awesome!

  13. Does everything well 5 Star Review

    Posted by on 24th Jul 2018

    I bought my wife a Catapult and I liked it so much that I wanted one too.....except for one thing. It didn't really fit into my pocket very well. So I considered this one. I was hesitant to buy it because I like the spotlight kind better than the floodlight kind of light. I bought it anyway and am very happy I did. It is kind of a cross between the two and you get the best of both kinds. It provides even lighting, but still really lights up the middle. The only negative I have is that the turbo really isn't a great deal brighter than it is on high. Actually though that isn't at all a problem because it is so bright on high there is no tendency to look for a higher setting. That mean that if you are like me, and use it 95 % of the time on high, the button works perfectly. You don't have to cycle through all the settings to get what you want. One push on, and one push off is all you need to do. Perfect.

  14. Nice light 5 Star Review

    Posted by on 6th Jul 2018

    Bought to replace my r50 seeker. It's brighter and takes a normal 26650 that can be charged in a charger

  15. Great Light But... 4 Star Review

    Posted by on 20th Jun 2018

    This Thrunite TC20 is an incredible light. The beam on it is fantastic! It's the best mix of flood and throw. I bought a neutral white for myself & a cool white version for a friend. I especially liked the tint on the cool white version. The pleasant cool white tint surprised me, and this is coming from a person who mostly buys neutral white lights. The neutral white gives very good color rendering. I don't know what Thrunite did but, the tint on both versions is very good, and this is great considering how the CREE XHP 70/70.2 emitters have noticeable tint shift. In addition to the great tint, the size is remarkable at under 5 inches.

    Given my many praises for this light I have to say that there are some things I'd like to see added to the TC20 in perhaps a future updated version.

    This includes:

    1) A button lockout option (yes, you can loosen the head slightly and the light will turn off but, an electrical button lockout would be better)

    2) A slight modification to the user interface in which after you double click to get to the highest 3800 lumen setting you can click once to return to the previous setting you were on. I have to cycle the light back through its modes to get to were I was.

    3) A 1000 lumen mode would also be greatly appreciated given how quickly the light heats up.

    All in all, the TC20 is a great light at a great price. It is an even greater value when the light is purchased during the 20% off promo.

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