Fenix TK75 Flashlight – Handheld Search Light Review

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Overview

Lately I’ve been reviewing a lot of tactical flashlights and everyday carry flashlights. I want to change gears here and focus on an amazing powerhouse flashlight, that illuminates 4,000 lumens. I’m talking about the Fenix TK75 Flashlight. Of course the TK75 does have tactical features to it, but tactical flashlights would usually be a little more compact than this. The Fenix TK75 is a beast of a flashlight. It’s a little over seven inches long, and a little over two inches in width. It’s about 18 ounces without the batteries, but it requires four 18650 batteries. That’s going to add quite a bit of weight onto this flashlight.

Okay, so let’s get into more details with this flashlight. The TK75 uses four CREE XMLU2 LED’s. As you can see, each LED has its own little reflector, and you get a pretty nice beam pattern with this light for sure. Of course you have that toughened, ultra clear glass lens, and it has that really nice anti reflective coating on it, and you can see that there’s a bit of a crenulated bezel on the head of the flashlight, and this is really to protect the lens and the LED from potential impacts. The bezel itself may not be considered a tactical bezel, although if you wanted to use it, you could still probably do some damage with it.

Specifications

You have five modes with this flashlight. You have the turbo mode, which is 4,000 lumens. That has a max runtime of an hour and 40 minutes. You have the high mode, which is 1,600 lumens. And you get a max of three hours and 40 minutes. Medium is 600 lumens, a max runtime of 11 hours and 20 minutes. Then the low, which is 35 lumens, and you have a max runtime of 270 hours. That’s roughly about 11 days on that low mode. I have to admit, I’m really impressed with the runtime’s, and of course because it uses those (4) 18650 batteries, it’s going to help with that runtime a lot.

It does have a flashing strobe mode for emergencies. There are no other flashing modes, just that strobe mode. And it has a maximum beam distance of 650 meters. This light’s going to reach out pretty far. Operating the TK75 is fairly simple. You have two switches right near the head. You have the main switch, this is the switch on the right. And then you’ve got the secondary switch, and this is the switch on the left. Okay, so you press down the main switch, to turn on the flashlight. As you click through, it’ll cycle through the different brightness modes. With that left switch, you can get to the turbo mode at any time no matter what output you’re in. If you’re in the medium output and you really need that turbo mode immediately, you just click that left switch, and it’ll take you there instantly.

Now, if you’re finished with the burst and you want to go back to the brightness output that you were using before you clicked on the turbo mode, you can do that simply by clicking on that secondary switch again, and it’ll take you right back to the medium mode, or whatever mode you happened to be in.

Now, when the flashlight is off, you can instantly access the turbo mode by clicking that left switch. If you want to click the main switch, you will access the last brightness level you used. It does have a built in memory function, and that’s really great with a flashlight like this. You can access the strobe mode, whether the flashlight is on or off. All you need to do is press down that secondary switch, and it’ll get you into strobe mode. I should clarify, press and hold down that secondary switch, and it’ll get you into that strobe mode.

Batteries

Okay, time to move on to the batteries. Of course batteries are an important part of any flashlight, but with this flashlight, as you can imagine, you need four of them to deliver all of that power, and have all that runtime. When you open up the TK75, you’ll notice that it has a separate battery tube inside the body of the flashlight. You’ll need to remove the tube, and place the batteries in each separate compartment. It’s a really high quality battery compartment, really great. Fenix did a good job on it.

The Fenix TK75 search light does have that reverse polarity protection, which guards against any improper battery installation. Always a plus. It would definitely be terrible to ruin a flashlight or a battery because of an accident like that. It does have a battery level indicator, which I’m going to talk a little bit about now. If you want to check your battery level on the TK75, turn the flashlight off, and then double press that main switch to enter this power display state. You can see the status of the battery based on which LED’s light up. If all four LED’s shine, you have a good amount of power level. If two shine and two flash, you still have a high power level. If two shine and two of them are completely turned off, you’ve got a low power level. Then if two are off, and two LED’s are flashing, then you’re at critical power level, and it’s about time that you need to replace those batteries.

The TK75 can run on eight CR123 cells. It’s good that you have those options. I’m not sure if you’d have the same runtime or the same output, so that’s definitely something to consider when you’re using CR123 batteries, versus the 18650 batteries. Interestingly, the TK75 can run on two 18650’s, or four CR123 batteries when necessary. It’s great that they’ve got this emergency system sort of set in there, so you can still use your flashlight even if you don’t have exactly four batteries.

Extension Accessory

Okay, so I’m going to talk about something I’m really excited about with this particular flashlight, that I find so unique. You can extend the TK70’s runtime by adding an additional body tube segment, and battery holders. By adding this extra body tube and these extra batteries, the runtime almost doubles, and will continue to do so with each segment that you add. There may be a limit to how many tubes you can add, I don’t know. But just keep in mind that with each tube you add, your flashlight does sort of grow bigger and bigger, and maybe more cumbersome to carry around. Nevertheless, that is just an amazing feature.

The TK75 also has a really great lock out function. All you need to do is press and hold the two switches for three seconds. The light will flash twice, and then it’ll power off. Then it’s locked. To unlock it, you pretty much do the same thing. Just hold the two switches for three seconds, and the light will turn on to the last output level that you used.

One last thing I want to talk about is the accessories and the carrying case that the TK75 comes in. It is delivered in this really nice compact box, that makes it really easy for you to carry this flashlight around if you need to. It protects the flashlight really well, and the box itself is not too much bigger than the flashlight, so it’s not really that cumbersome. It also comes with a little shoulder strap that makes the flashlight also easy to carry, which is great because this flashlight is great for a handheld spotlight, searchlight, it’d be perfect for ranchers, farmers, search and rescue.

There’s a lot of versatility to this light. It is a Fenix Flashlight, you can expect the same high quality, durability with this flashlight that you can with any Fenix Flashlight. It’s made of high quality aluminum, it has that hard anodized finish. It’s waterproof up to IPX8 standards, and all that good stuff.

Conclusion

All right, so let’s go ahead and talk about what I liked about the flashlight. Truth is, I could go on and on with this list. There are so many things I like about this flashlight. First and foremost, I like that you have the option to add an extra battery tube, and battery holder to extend your flashlight’s runtime. I think that is excellent, and I can see many people, search and rescue, farmers, who may need that option. I think that’s excellent.

You have an over 80 degree flood beam angle, so you’re going to be able to see everything, and that’s awesome. I love that. I love that you’re going to be able to see all around you. I also think it’s great that you’re able to use 18650 batteries, or CR123 batteries. As well as in emergencies or if necessary, you can go ahead and use two 18650 batteries, and four CR123 batteries. If a time ever comes that for some reason you’re not able to provide the light with four 18650 batteries, you do have an alternative option.

All right, so what I don’t like about the light. I’m not really big on the fact that the battery compartment is not in the tube, in the body tube itself. I’m not big that it’s, its own separate thing that you have to pull out. It’s not a big deal or anything, it’s just a preference of mine. I do prefer that the battery holder would just be integrated with the tube. I’d just be worried about damaging that battery holder, or losing it, or what have you. Other than that, I would give this flashlight a 10 out of 10. It has so many great features, and honestly I’m so overwhelmed by them. I don’t even know if I listed all of them. If it’s something you’re interested in, if you need a really powerful flashlight specifically for outdoors, search and rescue, what have you. This is a great flashlight to use. Definitely check out the Fenix TK75.

Additional Resources

https://www.fenix-store.com/fenix-tk75-led-flashlight-2018-edition-5100-lumens/

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