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Fenix LR50R Custom Engraved Flashlight

$420.00 $319.95

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The Fenix LR50R 12000 lumen flashlight is the definition of a high-performance spotlight. Blasting a maximum 12000 lumens, this flashlight can throw that light an incredible 3117ft (950m)—that’s over half of a mile. The Fenix LR50R’s most unique feature is its intelligent downshifting sensor which recognizes when the flashlight’s head is too close to an object and will automatically downshift the brightness level to avoid accidents due to excessive heat. The included li-ion battery pack not only powers its eight lighting modes, but you can also use its discharge function to charge other devices. Perfect for situations where maximum brightness over long distances is a must, the Fenix LR50R Rechargeable Flashlight will light up the night.

SKU: LR50R-ENGV-MARKN/ABarcode: LR50R-ENGV-MARKN/A
Max Lumens: 12000
Modes: 8
Battery: Pack or 21700

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Specifications

Max Lumens: 12000
Max Beam Distance: 3117 feet (950 meters)
Max Runtime: 58 hours
Lighting Modes: Turbo, SOS and Strobe in Tactical mode and 6 brightness levels in General mode.
Bulb Type: 4 Luminus SST70 LEDs
Size: Length: 6.42” (163mm) Width: 3.46” (88mm) Height: 2.36” (60mm)
Weight: 34.8 oz. (986g) including battery
Battery: One included Li-ion battery pack; one to four 21700 batteries (not included) can be used as backup
Included: Fenix ARB-L52-16000 rechargeable Li-ion battery pack (16000 mAh), USB Type-C charging cable, lanyard, holster, shoulder strap, spare O-ring
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA
Fenix LR50R Custom Engraved Flashlight specs chart

More Information

  • 4 Luminus SST70 LEDs with a lifespan of 50,000 hours
  • Intelligent brightness downshifting sensor to avoid dangers due to high temperature
  • Instant turbo activation rapidly responds to emergency situations
  • USB Type-C charging and discharging interface, supports PD3.0/PD2.0, QC3.0/QC2.0 fast charging protocols
  • Battery level indicator for instant checking of remaining battery levels
  • Made of durable A6061-T6 aluminum
  • Premium type HAIII hard-anodized anti-abrasive finish

Runtime

Fenix LR50R Custom Engraved Flashlight runtime chart

Switches on the Fenix LR50R 

The right switch is the main switch for on/off and output selection on general mode. 

The left switch is the auxiliary switch for on/off and output selection on functional mode. 

 

On/off 

Press and hold either of the switches for 0.5 seconds to turn on/off the light. 

 

Mode switching 

In general mode, single click the auxiliary (left) switch to enter turbo on functional mode. 

In functional mode, single click the main (right) switch to enter the previously used output on general mode. 

 

Output Selection 

In general mode, single click the main (right) switch to cycle through Eco→Low→Med→High I →HighII→Turbo. 

In functional mode, single click the auxiliary (left) switch to cycle through Turbo→Strobe→SOS. 

 

Lockout Function 

Lock: With the the light switched off and unlocked, simultaneously press the two switches for 3 seconds, the light will blink 2 times on Eco to indicate locked status. 

Unlock: With the light locked, simultaneously press the two switches for 3 seconds, the light will be activated on Eco. 

 

* In locked status, clicking or pressing the switches will activate 2 one-second blinks to indicate locked status. 

 

Instant Turbo / Strobe / SOS 

With the light switched off, press and hold the auxiliary (left) switch for 0.5 seconds to enter instant turbo, single click the auxiliary once again to enter strobe and then SOS. 

 

Intelligent Memory Circuit In general mode, the light memorizes the last selected output. When turned on again the previously used output of general mode will be recalled. In functional mode, the light will be activated on Turbo each time it is turned on, for emergency situations. 

 

* The light does not have memory function if 21700 battery is used. 

 

Battery Specifications of the Fenix LR50R 12,000 Lumen Flashlight 

TypeDimensionNominal VoltageUsability 
Li-ion battery packFenix ARB-L52-160003.6VRecommended√√
Rechargeable battery (Li-ion)21700 *3.6VUsable
Rechargeable battery (Li-ion)186503.6VBanned×
Non-rechargeable battery (Li-ion)CR123A3.0VBanned×

* Warning: 21700 Li-ion batteries are powerful cells designed for commercial applications and must be treated with caution and handled with care. Only use quality batteries with circuit protection will reduce the potential for combustion or explosion; but cell damage or short circuiting are potential risks the user assumes. 

 

Battery Replacement 

Unscrew the light body to insert the battery with the anode side (+) towards the light head, then screw the light body back on. 

 

Charging 

  1. First switch off the light and plug the USB A socket of the charging cable into an electrical outlet, then connect the USB Type-C socket of the charging cable to the light.
  2. When charging, the charging indicators will flash from left to right to display charging status. The four indicators will be constant-on after charging is complete.
  3. Be sure to close the anti-dust cover once charging is completed.

Power Bank Discharge Function 

  1. Switch off the light and plug the USB Type-C socket of the charging cable into the light, then connect the another end to your device.
  2. Single click either of the switches to begin discharging. Do not turn the flashlight on. The battery indicators lights will turn on and recede from the right to the left showing that the discharge function is working.
  3. Be sure to close the anti-dust cover once charging is completed.

Note: 

  1. Only Eco output level is available when charging and discharging.
  2. The USB Type-C port in the neck combines charging and discharging function.
  3. The light and the included charging cable support PD3.0/PD2.0, QC3.0/QC2.0fast charging protocols, the external adapter will be auto-detected if it supports the mentioned fast-charging protocols, if it does then 4.0A charging current will be selected, or 2.5A charging current will be selected.
  4. Recharge a stored light every four months to maintain optimum performance of the battery.

Battery Level Indication 

With the light switched off, single click either switch to check the battery status, which will last for 3 seconds. 

  • Four blue lights on: 100% - 80%
  • Three blue lights on:80% - 60%
  • Two blue lights on:60% - 40%
  • One blue light on: 40% - 20%
  • One blue light flashes: 20% - 0

Note: This only works with the included Fenix ARB-L52-16000 battery pack. 

 

Intelligent Brightness Downshifting Sensor 

The flashlight has a built-in intelligent sensing circuit. When the light surface is close to the lighting object (about 60mm) for more than 1.5 seconds, the flashlight will automatically downshift the output level to Eco to avoid danger caused by high temperature. When the light surface is more than 0.8 seconds away from the lighting object, the flashlight automatically recalls the previously used output level. 
 

*As objects of different materials and colors reflect differently to light, there will be slight deviations in the sensing distance. 

 

As of Oct. 2022
Turning on/off Intelligent Brightness Downshifting Sensor

  • With the light unlocked, press and hold the right switch over 10 seconds, the light will flash four times at the present mode and then will constantly light up at the present mode, indicating the sensor function is disabled.
  • With the light unlocked, press and hold the right switch over 10 seconds, the light will flash twice at the present mode and then will constantly light up at the present mode, indicating the sensor function is abled.
  • The sensor function is factory set to ON.
  • The Intelligent Brightness Downshifting Sensor Function can be manually abled and disabled.

 

Intelligent Protection 

Time-limited downshift 

With the light switched on, if Turbo is being selected for over 20 seconds, the light will downshift until to 8000 lumens within 60 seconds. 

 

With the light switched on, if High II is being selected for over 60 seconds, the light will downshift until to 4000 lumens within 60 seconds. 

 

Note: The abovementioned functions are specially designed for avoiding discomfort and danger caused by overheating. 

 

Overheat Protection 

The light will accumulate a lot of heat when used on High I, High II or Turbo output level for extended periods. When the light reaches a temperature of 60°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 60°C, it will then allow the user for the reselection of those modes. 

 

Low-voltage Warning 

When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower brightness level until Eco output is reached. When this happens in Eco output mode, the battery level indicator blinks to remind you to timely recharge or replace the battery. 

 

Note: This only works with the included Fenix ARB-L52-16000 battery pack. 

 

Usage and Maintenance of the Fenix LR50R 12,000 Lumen Flashlight 

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using an excellent quality battery.
  • If the light will not be used for an extended period, remove the battery, or the light could be damaged by electrolyte leakage.
  • Lock the light or take out the battery to prevent accidental activation during storage or transportation. Recharge a stored battery every four months to maintain optimal battery performance.
  • Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare.
  • Periodic cleaning of the battery contacts improves the light's performance as dirty contacts may cause the light to flicker, shine intermittently or even fail to illuminate for the following reasons:  
    A: The battery needs replacing. 
    Solution: Replace battery (Ensure battery is inserted according to the manufacturer’s specifications). 
    B: The threads, PCB board contact or other contacts are dirty. 
    Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol. If the above methods don't work, please contact your authorized distributor.

Warning 

  • This flashlight is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the flashlight directly into anyone's eyes.
  • This flashlight will accumulate a lot of heat when used for extended periods, resulting in high temperature of the flashlight shell. Pay attention to safe use to avoid scalding.
  • All information provided in this manual is subject to change without prior notice.

Product Videos

Customer Reviews

Based on 10 reviews
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William Rose

Light was Great as far as working condition. Issue was I had my name and custom logo placed on light. When I received the light it had scratches on lens and handle. QA/QC must have missed this one after engraving.

M
Michael M.

Having the Tk75 (last version) I have been sold on buying and using Fenix lights. This new addition to my collection is really a beast. Can light up my backyard with this one. Super bright with amazing throw. The various power steps really allow you to use in almost any situation. The fit and finish of this light is second to none. Great workmenship.

D
Duy Do

Super bright and very high quality product !

V
Victor Kamikubo

Very bright torch along with large area illumination. Heavy duty and sturdy construction.

T
Ted Schultz

Works well great for very dark nights

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