Fenix LR50R Flashlight viewed from the side
Fenix LR50R Flashlight used with a tripod and shoulder strap
Fenix LR50R Flashlight used in a wide canyon environment
Fenix LR50R Flashlight used in various scenarios
Fenix LR50R Flashlight charging features
Proximity sensor feature in the Fenix LR50R Flashlight
Fenix LR50R Flashlight being dropped to show impact resistance
Fenix LR50R Flashlight Lockout Function
Fenix LR50R Flashlight Battery Level Indicator
Fenix LR50R Flashlight immediately accesses Turbo mode
Fenix LR50R Flashlight underwater to show its waterproof feature
Fenix LR50R Flashlight used in extreme environmental conditions
Fenix LR50R Flashlight and batteries
Fenix LR50R Flashlight used in emergency rescue situations
Fenix LR50R Flashlight compared to car headlight
Fenix LR50R Flashlight Technical Parameters chart
Accessories included with the Fenix LR50R Flashlight
Fenix LR50R Flashlight as viewed from the front
Fenix LR50R Flashlight's charging port
Fenix LR50R Flashlight removeable shoulder strap mount
Fenix LR50R Flashlight as viewed from the top
Fenix LR50R Flashlight on a tripod

Fenix LR50R Multifunctional LED Search Light - 12000 Lumens

Regular price$319.95
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Boasting a long-range beam of 3,116 feet from the 12,000 lumen output, the LR50R packs a punch while still offering a relatively compact size. Whether you're a search and rescue professional, a powerline worker, an outdoor photographer, or a general outdoorsman, the LR50R is a fantastic tool to have on hand. Sporting quality construction and high-end materials, the LR50R is built to handle the most extreme weather conditions. You can trust this searchlight to illuminate your outdoor activities for years to come. Get ready to explore with confidence. With up to 12 hours of battery life from the 16,000mAh battery, your outdoor adventures won't be cut short by a dead battery, and you have the ability to charge other items like a cell phone. The LR50R makes sure you have a powerful light and stay charged and ready for whatever the night brings.


  • General Mode
  • Turbo: 12000 Lumens, 1.83 hours, 3116 ft
  • High II: 6000 Lumens, 2.33 hours, 2263 ft
  • High I: 3000 Lumens, 2.67 hours, 1574 ft
  • Med: 1000 Lumens, 7.67 hours, 918 ft
  • Low: 350 Lumens, 24 hours, 541 ft
  • Eco: 50 Lumens, 58 hours, 229 ft
  • Functional mode
  • Turbo: 12000 Lumens, 1.83 hours, 3116 ft
  • Strobe: 6000 Lumens


  • 4 Luminus SST70 LEDs with a lifespan of 50,000 hours
  • Maximum output of 12000 Lumens
  • Intelligent brightness downshifting
  • Sensing circuit when the head is close to the illuminated object for more than 1.5 seconds, the flashlights will automatically downshift to eco mode.
    NOTE: Will downshift in the presence of sunlight
  • Included 16000 mAh Battery Pack
  • USB Type C rechargeable
  • USB discharging
  • Can operate as a power bank
  • 4A Fast Charging - 4 Hours for full charge
  • Inner waterproofing treatment of USB and micro USB ports
  • Lockout function
  • Battery level indicator
  • Included shoulder strap for convenient carrying
  • Tripod socket for hands-free use
  • Low-voltage warning function
  • Digitally regulated output maintains constant brightness
  • IP68 Waterproof rating: fully submersible to 6.5 feet for 30 minutes


  • Included: ARB-L52-16000 Rechargeable Li-ion Battery Pack
  • Compatible: Four rechargeable 21700 batteries (maximum output is 6000 Lumens with 21700 batteries)


  • Length: 6.42 inches
  • Head diameter: 3.46 inches
  • Body thickness: 2.36 inches
  • Weight: 34.8 oz excluding battery
  • Fenix LR50R Rechargeable Searchlight
  • ARB-L52-16000 Rechargeable 16,000mAh Battery Pack
  • Lanyard
  • Holster
  • Sholder Strap
  • Spare O-Ring
  • USB Type-C Charging Cable
  • LR50R User Manual
  • Warranty Card

What batteries can be used in the LR50R?

The LR50R includes the ARB-L52-16000 rechargeable Li-ion battery pack.

You can also use between 1-4 21700 batteries in an emergency. Please note that the maximum output while using 21700 batteries is 6000 lumens.

How does the LR50R proximity sensor work?

The proximity sensor will protect the light from damaging itself if it ever is accidentally left on while close to a surface.

Be aware that this may result in automatic step-down in some areas with particularly reflective surfaces, or in rain or other wet environments.

What fast charging protocols does the LR50R support?

The flashlight and included charging cable support PD3.0/PD2.0, and QC3.0/QC2.0 fast charging protocols. The flashlight will auto-detect if the AC adapter you are using supports these fast charging protocols. If it does support them a charging current of 4.0 amps will be selected. Otherwise, a charging current of 2.5 amps will be selected.

How do you read the battery level indicator on the LR50R?

The battery level indicator features 4 blue lights. 

  • Four lights on: Between 100%-80%
  • Three lights on: Between 80%-60%
  • Two lights on: Between 60%-40%
  • One light on: Between 40%-20%
  • One light flashing: Between 20%-1%

Please note that the battery level indicator only works with the included ARB-L52-16000 battery pack.

Does the LR50R feature a lockout function?

Yes, it does.

While the light is turned off, press and hold both switches for 3 seconds. The light will blink twice to indicate that it is now locked.

To unlock the flashlight, press and hold both switches for 3 seconds. The light will then activate in the Eco setting.

Does the LR50R feature overheat protection?

Yes the LR50R has two methods of overheat protection.

First, it features time-limited downshift which will force the light to step down after a period of time while on higher output levels.

While in the Turbo output for over 20 seconds the light will dim imperceptively over 60 seconds until it reaches 8000 lumens.
While in the High 2 output for over 60 seconds the light will dim imperceptively over 60 seconds until it reaches 4000 lumens.
Additionally, the LR50R features temperature sensors that will force the light to drop if the temperature reaches 140° F (60° C). Once the light drops below this threshold all brightness levels will be usable again.

Fenix LR50R Flashlight Technical Parameters chart
Fenix LR50R

More Information

Fenix keeps surprising us this week with their incredible releases and today we're going to talk about another one. Believe it or not, it's not the last one, but it's still super exciting because it is an extremely powerful searchlight. We're going to be looking at the LR50R 12,000-lumen searchlight. So let's just dive into the features.

12,000 Lumen Searchlight

How many times do you think we can say 12,000 lumens before it stops sounding impressive? I don't think it's possible. This is a beast of a flashlight. With any extremely high-powered flashlight, you can expect a larger form factor. And yet, surprisingly, the flashlight is not as big as it could be. It's less than six and a half inches in length with a head diameter that is less than three and a half inches. The body diameter is also less than two and a half inches so even though it's a larger flashlight, we're still very impressed that it's still quite compact for the amount of power it delivers.

The LR50R features a really nice beam that's wide but still has a hot spot giving you the best of both worlds when it comes to beam patterns. The LR50R features an astonishing maximum beam distance of 950 meters, perfect for a searchlight.

The LR50R is similar to the Fenix LR40R but one major difference is the LED situation. With the LR50R, it features four LEDs tucked into their own little reflectors which gives it a balanced beam with a wide angle as well as a hotspot. The LR40R on the other hand features 19 LEDs, one in the middle and the other 18 circling the edge. So that's one major difference between these two searchlights that we want to point out.

Multiple Modes = Versatile Function

Fenix designed the LR50R to be a multifunctional searchlight which means it's built for versatile situations. Operating it is simple with its dual side switches and all it takes is a single click of the functional switch to get a momentary turbo meaning that turbo is always at your fingertips.

The LR50R also has two modes - a General Mode and a Functional Mode. The Functional Mode is more for emergency situations and particularly when you need to use the turbo output more than anything else. In the Functional Mode, you'll only be able to access the turbo of 12,000 lumens, strobe, and SOS.

The General Mode is exactly how it sounds where it's more for general use. In this mode, you're able to access six total brightness levels ranging from 50 lumens to 12,000 lumens. Switching modes is easy and having both modes makes this flashlight work for you no matter the circumstance. With the LR50R you can choose which mode is better depending on your situation.

Rechargeable Fenix Flashlight

The LR50R uses four 21700 lithium-ion batteries. That is a whopping number of batteries, but the good news is that this searchlight is rechargeable. It has a USB Type-C charging port which allows for 4A fast charging. Fenix boasts that the LR50R can charge fully in 4 hours. Charging 4 batteries in 4 hours is pretty impressive, especially considering they're 21700 batteries that have more energy. Also, in an emergency, the LR50R is able to run on one to three 21700 batteries.

Another really cool feature of this light is that it can be used as a power bank. So if you need to charge up a USB device, you can use your LR50R to give it the extra bit of energy it needs. In an emergency situation, the power bank really comes in handy.

And here's another cool aspect of the LR50R we want to point out - the battery indicator. The indicator is four lights located just above the switches. Based on the number of LEDs that are lit up, you can tell how much battery power you have left in this light. When it comes to a searchlight, a precise battery level indicator is a must. Fenix has created an accurate and reliable indicator to determine the status of the battery so that you always know and can plan your flashlight usage.

The LR50R is a hefty Fenix flashlight with some hefty features. When it comes to searchlights, the LR50R is as impressive as they come with that high output of 12,000 lumens, the momentary turbo, and multiple modes. Not to mention Fenix went above and beyond by giving it a USB-C charging port and a power bank function. Make sure to check out the Fenix LR50R searchlight.