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Fenix LR35R Rechargeable Flashlight - 10000 Lumens

$264.00 $199.95

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SKU: LR35RSBKN/ABarcode: 6942870307442N/A

Product Overview

The LR35R is an extremely powerful flashlight that is capable of blasting an incredible 10000 lumens of light from a flashlight that is only 5.5” long. Powered by two 21700 rechargeable li-ion batteries, the LR35R is USB Type-C rechargeable and includes a battery level indicator to keep track of your batteries status. Intelligent step-down overheat protection helps keep the light from overheating while using the maximum outputs. The LR35R 10000 lumen flashlight is IP68 dustproof and waterproof. Perfect for outdoorsmen, or for anybody who wants to dramatically light up the night, the LR35R defines what is possible from a mid-sized flashlight! Please note this light requires a wall charger that is at least 2 AMPS for proper charging.


Max Lumens: 10000
Max Beam Distance: 1640 feet (500 meters)
Max Runtime: 80 hours
Lighting Modes: 5 brightness levels, and strobe
Bulb Type: 6 Luminus SST40 LED’s
Size: Length: 5.5” (140mm) Head: 2.0” (51.5mm) Height: 1.8” (46.5mm)
Weight: 8.4 oz. (239g) excluding batteries
Battery: Two included 21700 rechargeable li-ion batteries
Included: Two ARB-L21-4000P rechargeable li-ion batteries, Type-C charging cable, holster, lanyard, spare O-ring
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

More Information

Additional Features of the LR35R 10000 Lumen Flashlight

  • 6 Luminus SST40 LED's with a lifespan of 50,000 hours.
  • 10,000 lumens maximum output; 500 meters maximum beam distance.
  • Included 2 x 21700 rechargeable Li-ion power batteries.
  • USB Type-C charging port.
  • Battery level indication for instant checking of remaining battery level.
  • Lockout function avoids accidental activation.
  • Intelligent overheat protection against high surface temperature.
  • Intelligent memory circuit recalls the last used brightness level.
  • Premium type HAIII hard-anodized anti-abrasive finish.

*Please note this light requires a wall charger that is at least 2 AMPS for proper charging.

Fenix LR35R Rechargeable Flashlight - 10000 Lumens specs chart


Fenix LR35R Rechargeable Flashlight - 10000 Lumens runtime chart

Operating Instructions of the LR35R 10000 Lumen Flashlight



With the light unlocked and switched off, press and hold the switch for 0.5 seconds to turn on the light. With the light switched on, press and hold the switch for 0.5 seconds to turn off the light.


Output Selection for 10000 Lumen Flashlight

In general mode, single click the switch to cycle through Eco→Low→Med→High→Turbo.


Mode Switching

In general mode, press and hold the switch for 1.2 seconds to enter strobe; single click the switch again to turn back to the last used output in general mode.



Lock: with the light unlocked and switched off, double click the switch to lock the light, the light will blink twice on Eco to indicate locked status. Unlock: with the light locked and switched off, double click the switch, the light will be unlocked and activated on Eco. In locked status, clicking or pressing the switch will activate 2 one-second blinks on Eco to indicate locked status.


Battery Specifications

TypeDimensionsNominal Voltage
Rechargeable Li-ion battery21700*3.6V

* Note: It is recommended to use Li-ion power battery, or the 10,000 lumens maximum output may not be reached. ** 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 tail cap to insert the battery with the anode side (+) towards the light head, then screw the tail cap back on.


Intelligent Memory Circuit

The light memorizes the last selected output of general mode. When turned on again the previously used output of general mode will be recalled.


Intelligent Overheat Protection

The light will accumulate a lot of heat when used on Med, High, Turbo output level for extended periods. When the light reaches a temperature of 65°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 65°C, it will then allow the user to reselect Med, High, Turbo mode.


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, the battery level indicator blinks to remind you to recharge or replace the battery.


Battery Level Indication

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

  • Green light on: saturated 100% - 85%
  • Green light flashes: sufficient 85% - 50%
  • Red light on: poor 50% - 25%
  • Red light flashes: critical 25% - 1%

Note: The indicator will display for 3 seconds each time the general mode is switched on.


Charging Your 10000 Lumen Flashlight

  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. The indicator will display red blinking while charging, and will turn to green when fully charged.
  3. Once charging is completed, be sure to close the anti-dust cover.


  1. Only Eco output level is available when charging.
  2. The normal charging time is approximately 3 hours and 30 minutes from depletion to full charging.
  3. Recharge a stored light every four months to maintain optimum performance of the battery.

Usage and Maintenance

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using an excellent quality batteries.
  • If the light will not be used for an extended period, remove the batteries, or the light could be damaged by electrolyte leakage or battery explosion.
  • Lock the light or remove the batteries to prevent accidental activation during storage or transportation.
  • 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 lamp's performance as dirty contacts may cause the lamp to flicker, shine intermittently or even fail to illuminate for the following reasons: A: The battery needs replacing. Solution: Replace battery pack /batteries (Ensure batteries are 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.


Warnings for This 10000 Lumen Flashlight

  • 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 avoid scalding.
  • All information provided in this manual is subject to change without prior notice.

FAQs about LR35R Flashlight 


Q1. What is the product positioning of LR35R? And who are the target customers? 

A: The Fenix LR35R is a super bright searching flashlight that blasts a max output of 10000 lumens and a max beam distance of 500 meters. This 10000 lumens flashlight can be quickly charged with the two included 4000 mAh Li-ion power batteries via the USB Type-C port. The amount of light that the Fenix LR35R flashlight emits is truly remarkable, a wide beam angle and strobe function are quite ideal for Search and Rescue. Extremely small for a flashlight with this much power, only 5.5” long plus a flat light body, this flashlight is the perfect tool for exploring and search and rescue. The battery level indicator lets you know the status of your batteries. Additional features include intelligent memory circuit, lockout function and IP68 rated protection. Once you see the raw power of a 10000-lumen flashlight, you will never feel troubled at night adventures, such as searching, caving, patrolling, etc. 


Q2. What are the key features and benefits of LR35R? 

A: 1) 10,000 lumens maximum output; 500 meters maximum beam distance. 

  2) Included 2 x 21700 rechargeable Li-ion power batteries. 

  3) Type-C charging port.  

  4) Lockout function avoids accidental activation. 

  5) 8.43 oz / 239 g (excluding battery). 

  6) 5.51'' x 2.03'' x 1.83'' / 140 x 51.5 x 46.5 mm. 


Q3. What kind of LED's is used in LR35R? 

A: Luminus SST40 LED's. 


Q4. Does LR35R have overheat protection? 

A: The light will accumulate a lot of heat when used on Med, High, Turbo output level for extended periods. When the light reaches a temperature of 65°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 65°C, it will then allow the user for the reselection of Med, High, Turbo mode.  


Q5. What battery does the LR35R support? 

A: It supports 21700 rechargeable Li-ion battery. 

* Note: It is recommended to use Li-ion power battery, or the 10,000 lumens maximum output may not be reached. 


Q6. Is the LR35R internally waterproof?

A. Yes, the light is internally waterproof and is thus still waterproof without the port cover in place.


Q7.  What should I do if the LR35R needs repair?

A: 1. 15-day replacement: Fenix will replace identical or equal products with documented manufacturing defects within 15 days of purchase.

2. 2-year free repair: Fenix will repair a light free of charge within 2 years of purchase if problems develop with normal use.

3. Lifetime maintenance: If repair is required after 2 years from the date of purchase, Fenix will charge for parts. The total repair fee is dictated by the cost of the replaced materials.

4. If you need warranty service, fill out the warranty form at https://www.fenixlighting.com/pages/warranty-repairs to start your repair claim.

Product Videos

Customer Reviews

Based on 134 reviews
James Tubbs
Great light

This is a great light with a super bright if you need it.


Love it

So far so good

All good as previous purchase.

Perhaps the operating button could have a better sense of on/off, better feeling to touch. It sure is switching modes etc but it’s not immediately understandable. Therefore often you need to go trough the modes wasting time. Never knowing wether you pressed or not.

Mike Spitt

Very happy with purchase.
Very bright with adequate duration. Only minor gripe is control switch. It is located on the forward third of instrument and opposite of charging port. In the dark it is difficult to determine which. is which by feel so a little searching is often necessary. Could have been better designed.

Joe W
Excellent product, quality made!! With one tiny issue in instructions

First of all everybody submits reviews with complaints. This light it an excellent product, super bright, and I could not have asked for a better product. Hands down the best flashlight I have ever owned! I would HIGHLY recommend.

So here is my one TINY constructive criticism. The light does not come with the proper 2A charger, just the cord. So I assumed my 1.75A charger would work, or my 3A charger. No - both resulted in a "flashing" red light when trying to charge. The instructions say it should be a solid red light! So I assumed charger error - and called Fenix customer service. They politely told me I need a 2A charger, with a single charge port, and preferable an OEM Samsung, Sony etc. They also confirmed as do the instructions that the light should be solid red when charging, not flashing red,

So not being able to use my light, I order an OEM Samsung 2A single port charger. A few days later it comes in the mail and I plug in the light - again FLASHING red light. Ready to pack up the light and send it back - I start googling. There are a lot of folks with this exact same issue! As it turns out, the consensus among the folks, including myself, is that the "flashing" red light is normal for charging - and it means it is charging! So I let it flash and charge and bingo - it charges fully and flashes red until it turned solid green! All is well!!

So my recommendation to Fenix is two small things. 1) provide the 2A single port charger with the flashlight! Would save customer frustration and reviews like this. and 2) update your instructions and support desk folks to know that "flashing red" means it is charging correctly, not solid red like it says.

My review was not meant as a complaint - just an FYI to Fenix and other buyers. Very minor issue once resolved. Great product! I would buy the light all over again in a heartbeat!! AA+++

Thanks for the review Joe. We tested ours out and it also blinks, so apparently the instructions from the factory on that were incorrect. I have updated our website with the correct instructions.

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