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ThruNite Ti4 Max 252 Lumen Penlight

$23.95 $19.99
(You save $3.96)

Product Description

  • Always have the light you need when you need it, with this compact and lightweight “penlight” style LED flashlight
    —great for a variety of applications.
  • Due to thoughtful design, the Ti4 always starts in Firefly mode—ideal for tasks like dentists using it as an endoscope.
  • The anodized aircraft-grade aluminum body is easy on the skin, feels good in the hand, and looks fashionable to carry.
  • The Ti4 is dependable and bright, with a max regulated runtime for 137 hours and a max output of 252 lumens.
  • Outstanding construction gives the Ti4 the durability to meet the IPX-8 waterproof standard.


  • LED: Cree XP-G2 LED with a lifespan of 20+ years of run time
  • Mode & Runtime (Tested with 2*Ni-MH/900mAh)

    -Firefly(0.3 lumens, 137hours)
    -Low (24 lumens, 12hours)
    -High (252 lumens, 51minutes)
    -Strobe (252 lumens, 90 minutes)

  • Working voltage: 0.9-3 V
  • Battery: 2xAAA Batteries(not included)
  • Peak Beam Intensity: 1120 cd
  • Beam Distance: 67 m
  • Waterproof: IPX-8 
  • Impact Resistance: 2 m
  • Material: Aircraft grade aluminum body structure with premium type III hard anodized anti-abrasive finish
  • Weight: 22.3 g (without battery)
  • Dimension: 132.9 x 14.2 mm
  • Accessories: 2x spare o-ring


  • Battery Installation
    Unscrew the light head, insert the batteries with the negative terminal down into the battery tube and then screw the light head back on.
  • Turn on /off
    Single press the tail switch to turn the light on/off.
  • Change modes:
    When the light is on, half press the tail switch (without hearing the “click” sound) to cycle through Firefly, Low, High, Firefly, Low, High, and Strobe.
    When the light is on, quick double click (within 1 second) the tail switch to cycle through Firefly, Low, High, Firefly, Low, High, and Strobe.
    If the second click is after 1 second but less than 10 seconds, the light will memorize the last mode. If it is after 10 seconds, the light will start from Firefly mode again.
  • Short Memory function
    The light will turn on in the last mode accessed within a 1-10 seconds interval, except for Strobe.

Product Reviews

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  3. Good But Short of Great 4 Star Review

    Posted by on 24th Aug 2015

    Very bright light, way ahead of competition. My only two complaints is that I HATE multi-function switches. Should have one button for on/off and one for modes. Also, the on/off switch feels cheap. But overall great light for the money. Stay tuned for other reviews at BornWarriorSurvival on YouTube.

  4. Best Penlight I've owned! 5 Star Review

    Posted by on 18th Aug 2015

    This penlight is great! I work in IT and find myself in a lot of areas where illumination is not always the best. Plus age and time has done it's part as well. This light works great in areas where a larger, standard size flashlight might get in the way. The amount of light it produces is awesome. I sat out on my back patio a few nights ago and it illuminated my entire back yard. It's a great light for the money. Get one.

  5. The best pen light on the market! 5 Star Review

    Posted by on 3rd Aug 2015

    Its even better than my previous favorite, the FourSevens Preon P2.

    Great light!

  6. Great little light! 5 Star Review

    Posted by on 16th Jul 2015

    Very happy with purchase! Good quality and looks at a good price!

  7. The best flashlight I've ever owned! 5 Star Review

    Posted by on 2nd Jul 2015

    This little penlight has earned a permanent position into my EDC gear. I have several flashlights, but this is the one I am carrying on my person wherever I go.
    I used to have a Thrunite Ti3 with me for work, but sometimes I was worried about the runtimes, so I wanted a similar little flashlight, with more juice, and a bit more power. The Ti 4 actually has twice the runtime, which is perfect, and also twice the brightness as well!

    It's unbelivable but this penlight easily lights up my whole backyard. It is not a thrower (it's a very nice soft floody light) but it's has a good 40-50 meter useful light in the night.

    I also love that it's so slim that I literally do not feel it inside my jeans pockets. The pocket clip is high quality, and has the best retention of all of my flashlight: it's strong but still easy to pull out.

    Also a very important thing that I don't see mentioned anywhere: this penlight can actually tailstand on a flat surface, and can be used as a candle. But it has to be polished vertical surface, like a table!

    The only con is, that I miss the momentary button at the end: it's a reverse clicky.

    All in all, if you are looking for a featherlight, comfortable-to-carry, powerful flashlight, look no further! Thrunite has earned a new fan with this one.

  8. TI4 is a great pen light 5 Star Review

    Posted by on 28th Jun 2015

    The thrunite ti4 is a great pen light. It compares with the preon all day long. Very bright and a nice low , very usefull. The fit and finish are perfect. The battery life is also good. I put 2 enloops in it and havent recharged yet. Have had this light for 2 months now and it quickly became my edc light , just get one it works great.

  9. AWESOME LIGHT !! 5 Star Review

    Posted by on 26th May 2015

    Let me be the first to write a review for this light, I was the first on amazon to . Maybe I'm the only one that has one. I've been on a penlight phase for sometime now . I have Nitecores, Thorfire, Pelican,Streamlight,. I thought my Nitecore was the best light I had until I stumbled across this Ti4.
    I really like the way it feels in my hand, there zero texturing on it which I really like. It's smooth and slides in and out of the pocket without hanging up on my pants. I'm no lumen expert but it's brighter than my Nitecore and its 165 lumens. This is my
    5 th Thrunite light I've purchased and all of them have been phenomenal . You will not be disappointed in this light, I highly recommend this light before searching for other brands , good work Thrunite !!

Previous | Showing reviews 16-24 of 24