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Get ready for one of the brightest tactical flashlights for 2019! Klarus has gone above and beyond in creating the Klarus XT21X tactical flashlight. It delivers an incredible 4000 lumens of power that will vanquish the darkness easily. This power is partly thanks to the CREE XHP70.2 P2 LED that the flashlight is equipped with and partly thanks to the included Klarus 21700 lithium ion battery with a 5000 mAh capacity. This is the first Klarus flashlight to use this particular lithium-ion battery and it really delivers in power. Not only does the XT21X have a 4000 lumen output, it also features a maximum beam distance of 316 meters, allowing you to see far into the distance while illuminating the entire area in front of you.
This tactical beast is a compact and lightweight flashlight that can easily be attached to your pocket using the pocket clip or carried in its included holster. It features a triple switch design with two tail switches and a side switch that functions separately. You can choose how you'd like to operate the flashlight at any given time. With its seven outputs, it’s extremely versatile and ready for anything. It features five brightness levels that range from 5 lumens to 4000 lumens as well as a strobe mode and SOS mode. On the lowest brightness level, the moonlight mode, the XT21X has a maximum runtime of 200 hours making it perfect for professional work and outdoor use.
To add to its versatility, the XT21X features two programmable settings: the Tactical Setting and the Outdoor Setting. In the Tactical Setting you'll have access to a One-Touch Turbo and a One-Touch Strobe. This is a great setting for law enforcement, security, or just wanting to be prepared. In the Outdoor Setting you have access to a One-Touch Turbo and a One-Touch Low. This is an excellent setting for general use, outdoor use, and professional use. You can also switch between settings at any time, giving you more options on how you'd like to use the flashlight.
The Klarus XT21X is a USB rechargeable flashlight making it a convenient tool to have. 2A USB fast-charging makes it quick to charge your flashlight and you can check the charging indicator to know the status of the battery. The XT21X is also an extremely durable flashlight. It’s impact resistant up to 1 meter and waterproof up to IPX8 standards. It also has several protections in place to ensure that the flashlight is safe including over-current protection, over-charge protection, thermal protection, reverse polarity protection, and over-voltage protection. If you’re looking for the most powerful tactical flashlight that’s also rechargeable and compact, you’ve found it in the Klarus XT21X.
- Equipped with a CREE XHP70.2 P2 LED, delivers a maximum output of 4000 lumens and maximum beam distance of 316 meters
- Triple switch design - dual tail switches and side switch
- Seven outputs
- Turbo - 4000 lumens - 1.2 hour runtime
- High - 1200 lumens - 2.3 hour runtime
- Medium - 400 lumens - 6.5 hour runtime
- Low - 100 lumens - 21 hour runtime
- Moonlight - 5 lumens - 200 hour runtime
- Strobe - 4000 lumens - 2.4 hour runtime
- SOS - 100 lumens - 63 hour runtime
- Maximum runtime of 200 hours
- Two programmable setting
- Tactical Setting: One-Touch Turbo, One-Touch Strobe
- Outdoor Setting: One-Touch Turbo, One-Touch Low, SOS
- USB rechargeable
- 2A USB fast-charging
- Charging indicator
- Compatible with 1 x 21700 battery
- Intelligent Temperature Control System
- Over-current protection, over-charge protection, reverse polarity protection, and over-voltage protection
- Impact resistant up to 1 meter
- Waterproof up to IPX8 standards
- Klarus 21700 li-ion battery
- Holster with protective cap to prevent accidental illumination
- USB charging cable
- Removable Pocket Clip
- Spare o-ring
View the Klarus XT21X on Amazon
LED: CREE XHP70.2 P2 LED
Max Output: 4000 lumens
Max Beam Distance: 316 meters
Max Runtime: 200 hours
Battery: 21700 (5000mAh)
Work Voltage: 2.5 - 6.4V
Waterproof: IPX8 (2 meters submersible)
Lighting Levels: Turbo/High/Medium/Low/Moon/Circle
Weight: 158g / 5.57oz (without battery)
Dimensions: Head Diameter - 41.0mm (1.61"), Body Diameter - 27.5mm (1.08"), Length - 161.0mm (6.34")
Overall Customer Rating of 5 Reviews:
FZ Opinion: Most Powerful Compact Tactical Flashlight
We all knew that Klarus would be coming out with a massively powerful tactical flashlight for 2019, but we were not expecting quite so much power when they finally announced the flashlight. The Klarus XT21X is a powerhouse flashlight that is still compact enough that you could carry it around. We were amazed with this flashlight when we finally got it into the store. So let's take a look at the flashlight, what it has to offer, as well as some pros and cons.
4000 Lumens of Intense Power
4000 lumens is nothing to sneeze at. In fact, you'll be blown away by the sheer power of this flashlight. It has a CREE XHP70.2 P2 LED and, coupled with the 21700 battery, you have one amazingly powerful flashlight. The beam pattern on the XT21X is very wide and dispersed. The idea of the XT21X is to illuminate everything around you rather than to pinpoint anything far into the distance. So rather than a more focused beam it definitely has a floodier beam with this flashlight.
Tactical User Interface
Just like many other Klarus flashlights, the user interface on the XT21X it's incredibly robust. It's built so that any user can operate it the way they would like to. To start with, the XT21X does come with three switches, two tail switches and a side switch that functions independently. So this is going to allow you to use the side switch or the tactical tail switches whenever you feel like it. The switches can easily be locked out to prevent any accidental illumination which is great because you certainly don't want a 4100 flashlight turning on by accident.
So you're going to get a couple different features depending on which switch you use. With the dual tail switches, you'll have a momentary-on, an instant turbo, and an instant strobe or an instant low. With the side switch, you're going to be getting a built-in memory function as well as an instant low. That mode memory function can be really handy especially with the side switch because it allows you access to the lower brightness levels immediately. For general use, professional use, outdoor use, that feature can be extremely useful.
The XT21X does feature multiple outputs and two programmable settings that you will find in many Klarus tactical flashlights. With the XT21X you have seven total outputs and that will include five brightness levels that range from 5 lumens to 4000 lumens, giving you quite a range. You also have a strobe and an SOS mode just in case of emergencies. The maximum run time using that moonlight mode is going to be 200 hours at most so this flashlight can last you an extremely long time before you need to charge it.
As I said before, this tactical flashlight does have two programmable settings which is a Tactical Setting and the Outdoor Setting. It's important to know that the side switch is not affected in either setting and that the settings will only affect the tail switches. In the Tactical Setting, the secondary tail switch will give you an instant strobe when pressed and held down. It will also allow you to cycle through the turbo, high, medium, and moonlight brightness levels. In this setting, using the side switch, you’ll be able to cycle through all five brightness levels rather than just four.
In the Outdoor Setting on the other hand, when you press down the secondary switch and hold it down, it will enter instantly into the moonlight brightness level. You'll also be able to cycle through all five brightness levels using either the tail switch is or the side switch. Switching between the modes is pretty quick and fairly easy, but I recommend keeping that manual handy just in case.
USB Rechargeable Flashlight
The XT21X is a rechargeable flashlight and features a USB port located just below the head of the flashlight. This makes charging that 21700 battery extremely easy and convenient. While you have the flashlight plugged in, you'll see an indicator glowing around the side switch. It will glow red if it's charging, green when the charging is finished, and yellow if something is interfering with the charging. This indicator also doubles as a battery capacity indicator that will glow a certain color and give you an idea of how much charge you have left in that battery. This indicator is great because you can plan how much will be using your flashlight based on how much battery there is left.
I mentioned this before, but the XT21X does come with a 21700 battery that has a 5000 mAh capacity. It’s an extremely powerful battery and we are excited to see Klarus use is in such a compact flashlight. The flashlight is larger than an 18650 flashlight, but not by too much. It will only run on a 21700 battery, however. This can be something of a downside, especially if you prefer flashlights that can run on multiple battery types.
The XT21X has a lot of safety features in place to make sure the flashlight is long lasting. So you're going to have a thermal protection system which will automatically adjust the output based on the temperature of the flashlight and this is going to protect the LED as well as the internal electronics of the light. It's also crafted from an aluminum alloy and is extremely durable. The XT21X is going to last you a long time and we are extremely impressed with this tactical flashlight.
You have a lot going on with the Klarus XT21X because it was designed to have robust features that allowed it to be used in many different situations. Between the powerful output, multiple brightness levels, programmable settings, and triple switch design, you can use this flashlight however you want to whenever you want to. It does not limit you in any way and that's one of the great aspects of this particular flashlight. The user interface does take a bit of time to learn, so if you're looking for a simple and straightforward flashlight, the Klarus XT21X is not going to fit that ticket. It's also a bit larger and can be clipped onto a pocket but you may feel more comfortable carrying it with the holster. Speaking of the holster, it does feature a little cap in the holster where the tail switch fits in that way the flashlight does not turn on accidentally. That is an awesome holster that's included with this flashlight. If you’re looking for a powerful, versatile, and long lasting tactical flashlight, the Klarus XT21X is it.