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Retail: $69.95
Price: $54.95
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  • Dual switches - tail switch and side switch
  • Has seven total outputs:
  • Compatible with 1 x 18650, 2 x CR123As, 2 x Klarus 16340s
  • USB Rechargeable
  • Battery capacity indicator
  • Charging indicator
  • Constructed from the Aerospace aluminum alloy with a hard anodizing finish
  • Intelligent Thermal Protection System
  • IPX8 waterproof
  • Impact resistant up to 1 meter
  • Included Accessories:

    Check out the Klarus ST15R on Amazon!

    • CREE XP-L HD V6 LED, lifetime up to 50,000 Hours

    • Working Voltage: 2.5V-8.4V

    • Compatible Batteries: 1 x 18650 or 2 x CR123A or 2 x KLARUS 16340

    • Reflector: Mirror Polished

    • Lens: Tempered Glass Lens with AR coating

    • Switch: Tactical Tail Switch + Side Switch

    • Dimensions: Head – 33.0mm (1.30”) diameter

    Body – 25.4mm (1.00”) diameter

    Length – 142.0mm (5.59”)

    • Weight: 106g (3.74oz) without battery

    • Material: 6061-T6 Aerospace Aluminum Alloy

    • Exterior finish: Aircraft-grade Aluminum Alloy, Mil-spec HAIII Anodizing,

    Sandblasted Stainless Steel

    • Accessories Included: 1 x Micro-USB Cable, 1 x Lanyard, 1 x Spare O-ring,

    1 x Li-ion 18650 2600mAh battery, 1 x Clip, 1 x Bike Mount, 1 x Diffuser

    Number of questions: 0

    Best Outdoor LED Flashlight

    FlashlightZ Opinion

    Author: Carolyn

    Klarus has released a lot of tactical flashlights with robust features so it was a breath of fresh air for them to release a flashlight that has straightforward user interface. As awesome as the Klarus XT series flashlights are, The ST15R is a flashlight that has a good amount of features without all the bells and whistles. The ST15R is a versatile, simple, and powerful flashlight that is perfect for outdoor activities, professional work, or general use.

    Powerful Outdoor Flashlight

    Delivering 1200 lumens, the ST15R is a great flashlight to have on you when you're outside at night. It has a maximum being distance of 260 meters thanks to the equipped CREE XP-L HD V6 LED along with its smooth reflector. The beam pattern on the flashlight is definitely more focused, but it does have a good spill to it that allows you to see a pretty wide area. It features a constant current control so you will not see any PWM. It's a powerful little LED flashlight that's really great to use outside.

    Compact LED Flashlight

    I was amazed by how lightweight this flashlight is. It was easy to clip onto my pocket and forget about it and it's compact enough that it's easy to carry with you. I've used this flashlight myself to do odd jobs here and there and it’s been excellent. The design of the ST15R is a little different from other Klarus flashlights. I really like the body style of the ST15R with its grooved texture. The design of the flashlight is not bulky, but very sleek and clean looking, exactly what you’d want with this torch. It would be incredibly easy to take this flashlight with you on a camping trip or hiking trip. It would also be easy to pocket this flashlight and take it with you while doing projects around the house or to your job.

    Easy to Use with Multiple Outputs

    I mentioned before that the ST15R LED flashlight is straight forward, specifically in terms of the user interface. It features a tail switch that turns the flashlight on and off and a side switch that gives you access to all the outputs. This LED flashlight has a mode memory function so it will remember the last brightness level you used and turn onto that brightness level.  With the ST15R, you have seven total outputs which includes four brightness levels ranging from 10 lumens to 1200 lumens, a strobe mode, a beacon mode, and an SOS mode. I believe this is the first Klarus flashlight to institute that beacon mode which is really interesting and having access to all three flashing modes makes it a little more versatile in case of emergencies. You can tell that this flashlight was truly built as an outdoor flashlight due to the three emergency modes that Klarus included. An SOS mode and a beacon mode are excellent when trying to get attention if you're lost or needing help. 

    You'll also see some good run times with the ST15R which is a necessary aspect in any outdoor flashlight. On the low mode the ST15R can run for up to 200 hours which is incredibly impressive. So if you plan your usage right, the ST15R should last you quite a while before you need to charge it or change the batteries. Even in the turbo mode, the flashlight will last one and a half hours. You certainly don't need to use a turbo mode for that long, so if you plan your usage correctly, this flashlight is the perfect weekend camping trip flashlight.

    Rechargeable Flashlight

    Who doesn't love rechargeable flashlights? The ST15R is USB rechargeable making it a lot more convenient and more cost effective. You don't need to worry about buying a lot of extra batteries or even getting a battery charger. While you're charging the flashlight, you'll see an indicator on the side switch that will glow to let you know when the flashlight charging and when it's finished. That indicator will also glow different colors when you first turn on the flashlight and  give you an idea what the charge of your battery is. Whether you’re using the ST15R as an outdoor flashlight, a professional flashlight, or a general use flashlight, a battery level indicator is such a great feature to have. You'll know when it's time to charge your flashlight and you'll know when you need to be careful with your usage.

    The ST15R is an 18650 flashlight and Klarus does include a high-drain 18650 battery with this flashlight. However, you can also equip the ST15R with a pair of CR123A batteries or a pair of Klarus 16340 batteries. With high quality LED flashlights, it's always a good thing when they're compatible with multiple battery types. Many people prefer to carry CR123A batteries as backup batteries other than having to purchase several 18650 batteries due to the cost and availability. 

    Durable LED Flashlight - Ready for the Outdoors

    This LED flashlight may be small and lightweight, but it's extremely durable and able to withstand some pretty harsh environments. It's impact resistant up to 1 meter and is IPX8 waterproof which means that it can handle water and dirt and whatever nature throws at it. Crafted from an aluminum alloy with a hard anodized finish, this flashlight is wear-resistant and durable. 


    The Klarus ST15R really is a superb flashlight, especially with any outdoor or general use task. I have used it for a few projects around the house and it has become one of my favorite flashlights to keep in the house. If you're looking for a new LED flashlight for camping, professional use, or general use, the Klarus ST15R may be exactly what you're looking for.