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RC40 Fenix Rechargeable Flashlight - DISCONTINUED

$490.00 $379.95

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Max Lumens:

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Product Overview

Upgraded for 2016, the Fenix RC40 rechargeable LED flashlight now blasts an incredible 6000 lumens ultra-long distances of up to 2,395ft. Dual side switches control the five output modes, strobe and S.O.S. The built-in rechargeable Li-ion battery pack, plus charging and discharging port with protective circuit, make it super efficient in battery charging, and also enables it supply power for other digital devices. The Fenix RC40 Rechargeable LED flashlight is an invincible companion when the ultimate power in lighting is needed.


Max Lumens: 6000
Max Beam Distance: 2395 feet (730 meters0
Max Runtime: 125 hours
Lighting Modes: 5 brightness levels, strobe, and SOS
Bulb Type: Cree XM-L2 U2 LED
Size: Length: 10.7″ (272mm) Head: 4.6″ (108mm) Diameter: 2.1″ (52mm)
Weight: 43.5 oz. (1234g) weight including battery
Battery: Built-in rechargeable Li-ion battery pack
Included: Shoulder strap, AC adapter, DC car charger, spare O-ring, anti-dust plug
Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

More Information

Additional Features of the RC40

*Due to intelligent over-heat protection, the runtime of the Turbo brightness level is the accumulated time.
  • Uses Cree XM-L2 U2 LED with a lifespan of 50,000 hours
  • Tailored 7.4V/7800mAh rechargeable Li-ion battery
  • AC adapter and DC car charger supportable
  • Discharge function serve as portable power bank
  • Back support system, effectively release holding fatigue
  • Digitally regulated output maintains constant brightness
  • Built-in over-charge, over-discharge protection for safer user friendliness
  • Made of durable aircraft-grade aluminum
  • Premium type Ⅲ hard-anodized anti-abrasive finish
  • Toughened ultra-clear glass lens with anti-reflective coating
RC40 Fenix Rechargeable Flashlight - DISCONTINUED specs chart

Operation Instruction

Master switch: controls General mode and output selection. Auxiliary switch: controls Flash mode and output selection.



With the light off, press and hold the master switch for 0.5 seconds to enter into General mode, press and hold the auxiliary switch for 0.5 seconds to enter into Strobe.



With the light on, press and hold the master or auxiliary switch for 0.5 seconds to turn off the light.


Mode Switching

In General mode, click the auxiliary switch to enter into Strobe. 


In Flash mode, click the master switch to enter into General mode.


Output Selection

In General mode, click the master switch to cycle through Eco→Low→Mid→High→Turbo. 


In Flash mode, click the auxiliary switch to cycle through Strobe→SOS.


Intelligent Memory Circuit

The flashlight remembers the last brightness level used in the General mode, the next time it is turned on, it will recall that previously used brightness level.


Lock-out Function

Lock: Simultaneously press the two switches for 3 seconds (when the light is unlocked), the light will blink twice at Low and then go out. 


Unlock: Simultaneously press the two switches for 3 seconds (when the light is locked), the light will be unlocked and power on the last-used output level. 


Note: In locked state, the light only responds unlocking operation, press on any switch, the light will blink twice at Low to remind the light is under locked state.


Intelligent Over-heat Protection

The light will accumulate a lot of heat when it is working at Turbo or High output levels. When it is detected at 65℃ or above, the light will automatically and gradually lower the output to prevent overheating. The brightness will automatically return to the normal level if the light is detected below 65℃.


Battery Level Indicator

There are four LED indicator lights at the tail of the flashlight. Click the round tail switch the indicator lights will be on for three seconds. The more indicators are lit up, the more  battery power will remain. Like this, four indicators illume indicating at least 80% power remaining, one illumes indicating more than 20% remaining, and one flashes indicating 20% at most.


Over-discharge Protection

When the battery voltage is extremely low, the light will turn off automatically to protect the Li-ion battery from being damaged.


Low-voltage Downshift

When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower brightness level until to the lowest output to remind you to recharge the flashlight. To ensure normal use, the flashlight will not turn off automatically until Over-discharge Protection stops the battery from working.


Charging and Discharging


Plug the power adapter into an electrical outlet and confirm the LED indicator on the power adapter is solid yellow. Uncover the round charging port of the flashlight tail and connect it to the power adapter. Then the four blue indicator lights at the tail of the flashlight flash clockwise, indicating the charging process has begun. All the four blue lights turn solid when charging is completely done. The normal charging time is about 3.5 hours.



Connect other device to the USB port of the flashlight. Then press and hold the round tail switch for one second, the four blue indicator lights start to flash counterclockwise, indicating the discharging process has begun. The max loading capacity is 5V/1.5A. 



  1. Once charging is completed, be sure to plug the anti-dust covered.
  2. Charge the light when it is off to permit full and fast recharging.
  3. When charging and discharging is simultaneously detected, charging is prior to discharging.
  4. Please recharge a stored RC40 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.
  • 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 flashlight’s performance as dirty contacts may cause the flashlight to flicker, shine intermittently or even fail to illuminate for the following reasons:

Reason A: The battery lacks power. 
Solution: Recharge the flashlight. 
Reason 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 refer to the warranty policy before contacting your authorized distributor.

Q1. Is the RC40 internally waterproof?

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


Q2. What should I do if the RC40 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.

    No compatible accessories available

Customer Reviews

Based on 24 reviews
Derek Parrish
Battery quit working

It was a great flashlight until the battery quit working on me. I’ve always had it charged in active. But one day it just won’t hold the charge. So then I began to use it while it was plugged into a 12 V cigarette lighter to get it to work while fishing in the boat at night but then that failed. Also now I have a fishing weight that looks like a RC 40.

Unfortunately the RC40 has a built in battery, so, it can't be replaced. This light was discontinued probably back in 2017, or possibly 2018. Without knowing when you purchased it, the light would most likely be at a minimum 6 years old, so it's quite possible that at this point the build in battery has lived it's life.

David Sporina

It lives up to all the features. Very glad I purchased this flashlight.

billy mallory

nice light but does not fulfill the hype.

R. B. Noyola

Nothing is better then this high end super quality work horse flashlight, it's simply the very best in the industry

ben lagasse

love this powerhouse! this lives in our camper and when it comes out it never fails, someone asks me where did you get that!?!? up at camp we have a 2 mile stretch of logging road and its almost strait. lite this bad Larry up and you can see everything!

uising the built in use charger to power up cellphones is also a cool feature.

only thing i would change is just having one power button in place of the 2 buttons side by side. maybe putting the power output mode button out back near the battery indicator button, or incorporate that into the indicator button. my daughter always messes up my setting when she uses it. watching her and other people use it can be quite comical. i usually get it back on strobe mode "here shut this thing off i cant" still giving it 5 stars tho. things a beast!

David Wasserman

unreal how bright and powerful this flash light is......It comes in a nice case ...Its so powerful it almost looks like u can hit mars with it..........the martian the movie he could have really used it to survive on the red planet.......

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