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Show me a video on troubleshooting if my light won't turn on.

Troubleshooting, Warranty, & Service

Troubleshooting & Maintaining My Light

Am I allowed to do modifications to my Fenix flashlight?

Are all tactical flashlights considered weapon lights?

Are Fenix flashlights waterproof?

Are Fenix headlamps waterproof?

Are Fenix products made in the USA?

Are there any Fenix flashlights for mining, industrial work, or other hazardous environments?

Are there any Fenix flashlights with a TIR lens?

Are there any retailers who carry Fenix flashlights?

Are there instructions on how to take apart my Fenix flashlight?

Batteries leaked or corroded in my Fenix flashlight. What should I do?

Can a 16340 battery be used in place of a CR123A battery?

Can a USB rechargeable battery be charged in a Fenix USB rechargeable flashlight?

Can Fenix AA and AAA flashlights use Energizer lithium batteries?

Can Fenix AA flashlights use Li/FeS2 batteries?

Can Fenix flashlights take extreme temperatures like high 120 degrees?

Can Fenix headlamps work in subzero or freezing temperatures?

Can Fenix USB rechargeable flashlights, headlamps, bike lights, and batteries be charged using a computer USB port?

Can I change the bulb in my Fenix flashlight?

Can I change the color of the headband that comes with a Fenix headlamp?

Can I charge an unprotected battery in a Fenix rechargeabe flashlight, headlamp, or bike light?

Can I leave my Fenix rechargeable flashlight plugged in all the time?

Can I mount my Fenix flashlight onto a shotgun?

Can I order a belt clip for my Fenix flashlight?

Can I order a new tail switch rubber boot cover for my Fenix flashlight?

Can I order a two-way pocket clip for my Fenix flashlight?

Can I purchase a more powerful battery for my Fenix HL40R headlamp than the 2000mAh battery it comes with?

Can I purchase a tail cap or a tail switch for my Fenix flashlight?

Can I purchase o-rings for my Fenix flashlight?

Can I recharge my USB rechargeable flashlight using a USB charger for my iPhone or iPad?

Can I register multiple Fenix lights using a single e-mail?

Can I remove the strike bezel on my Fenix flashlight and still use the flashlight?

Can I switch the tail caps of one Fenix flashlight with another?

Can I upgrade any internal components of my older Fenix flashlight with a newer version?

Can I upgrade or trade-in my old or discontinued unit to a current model?

Can I use a USB AC adapter with a Fenix USB rechargeable flashlight or Fenix charger?

Can I use any 18650 battery in my Fenix flashlight?

Can I use Duracell batteries in my Fenix flashlight?

Can I use rechargeable RC123A batteries in Fenix lights?

Can I use Samsung batteries in Fenix lights?

Can I use unprotected 18650 lithium-ion batteries in my Fenix flashlight, headlamp, or bike light?

Can the discharge feature on Fenix chargers power an iPhone?

Can the Fenix HL35 headlamp be tilted up or down or is the headlamp locked in place?

Can the top portion of the headband be removed and re-installed on Fenix headlamps?

Can you upgrade the battery included with a flashlight to a battery with higher milliamps?

Do any Fenix bike lights fit on the vertical bar?

Do Fenix 18650 lithium ion batteries work in other non-Fenix devices?

Do Fenix flashlights come with batteries?

Do Fenix flashlights have glass lenses?

Do Fenix flashlights have parasitic drain?

Do Fenix flashlights have reverse polarity protection?

Do Fenix flashlights that use APF technology require a mechanical tail switch, electronic side switch, or rotary switch?

Do Fenix flashlights use CREE LED bulbs?

Do Fenix flashlights, headlamps, or bike lights work with Nitecore batteries?

Do I have to recharge the batteries in my Fenix rechargeable flashlight or can I use a battery charger?

Do the batteries in my rechargeable flashlight have to be charged through the flashlight or can I use a battery charger?

Do you carry tactical flashlights that feature a red light?

Do you have a Fenix battery charger for the Fenix ARB-L26-4500P battery?

Do you have a Fenix flashlight that is considered intrinsically safe?

Do you have a Fenix flashlight with an infrared beam?

Do you have a flashing front or back Fenix light for bikes?

Do you have a flashlight that features an adjustable focus, is rechargeable, and has a good LED?

Do you have a headlamp with a single function or output?

Do you have a rubber headband or strap to help keep my Fenix headlamp on my hat?

Do you have a small Fenix flashlight with a red beam?

Do you have alternate pocket clips for Fenix flashlights?

Do you have any Fenix bike lights that run on AA batteries?

Do you have any Fenix flashlights with an adjustable focus?

Do you have any open-box, refurbished, or returned Fenix flashlights, headlamps, bike lights, and accessories?

Do you have discounts during Black Friday?

Do you have MSDS sheets for Fenix products?

Do you have upgrades for my Fenix flashlight?

Do you offer any package deals?

Do you offer discounts for military or first responders?

Do you sell belt holsters for my Fenix flashlight?

Do you sell bulbs for Fenix flashlights?

Do you sell micro USB charging cables?

Do you sell rechargeable CR123A lithium batteries?

Do you sell replacement brackets for Fenix headlamps?

Does APF allow Fenix lights to be brighter than 2200 lumens?

Does Fenix make a headlamp that has different colored LEDs such as red, green, blue?

Does Fenix make a headlamp with a red LED that has more than one lumen?

Does Fenix offer any flashlights for marine or diving use?

Does the APF technology in Fenix lights cause a flicker?

Does the Fenix 26650 battery fit inside a Fenix PD35 (V1), PD35 V2.0, or PD35 TAC flashlight?

What is the color temperature of my flashlight?

Which flashlights can be weapon mounted?

Does the heat protection on Fenix flashlights react to the actual temperature of the flashlight or is based on a built-in timer?

How can I be sure I'm purchasing a genuine Fenix product?

How can I fix the button or tail switch on my flashlight?

How can I order parts for my flashlight?

How can I request a donation for my charity or event?

How can I get some cool Fenix swag?

How can I tell how long a battery will last in my flashlight?

How do I know when my battery is finished charging?

How do I register my Fenix flashlight, headlamp, or bike light?

How do I assemble a Fenix headband?

How do I remove the pocket clip on a Fenix flashlight without hurting the flashlight or clip?

How do I select a headlamp? So many choices!

How do I write a review about my Fenix purchase?

How do the different button and switches work on my Fenix flashlight?

General FAQs

Can I buy a replacement holster for my Fenix flashlight?

Can I buy a replacement pocket clip for my Fenix flashlight?

Can you access strobe on the Fenix TK16 (V1) using the AER-03 remote pressure switch?

Can you purchase extra mounts for Fenix bike lights?

Do you have a gun mount for the Fenix PD25 LED flashlight?

Do you have any filters that will fit a flashlight with 28mm head diameter?

Do you have any wands or traffic cones for my Fenix flashlight?

Do you sell diffusers or filters that would fit my Fenix headlamp?

Do you still sell the Fenix NW20 Emergency Whistle?

Does the ALB-10 bike mount work with the Fenix BC21R (V1) bike light?

How can I get a replacement USB port dust cover for my Fenix rechargeable flashlight?

How do the Fenix remote pressure switches function?

I need a new velcro strip for my Fenix pressure switch. Where can I get one?

What does the Limited Lifetime Warranty Cover?

What Fenix flashlights are compatible with the ALF-18 battery holder?

What Fenix headlamps are compatible with the AFH-02 Headband?

What is the difference between the Fenix AER-02 V2 remote pressure switch and the Fenix AER-03 V2 remote pressure switch?

What remote pressure switches work with the Fenix ALG-05 mount?

Which Fenix bike lights are compatible with the Fenix ALD-08 helmet holder?

Which Fenix flashlights does the ALP-MT flashlight holster work with?

Which filters will fit my Fenix flashlight?

Which remote pressure switch is compatible with the Fenix UC35 (V1) or UC35 V2.0 rechargeable flashlight?

Will I get the full output on my Fenix flashlight if I put a filter over the lens?

Fenix Accessory FAQs

Are ARB-L18 and ARB-L2 batteries interchangeable?

Can 14500 lithium-ion batteries be used in most other AA devices?

Can Fenix chargers charge unprotected 18650 cells?

Can I leave my rechargeable flashlight or battery plugged in all the time?

Can I safely use the batteries in my Fenix flashlight until they are fully drained?

Can I use a 3500mAh battery with a 3400mAh battery?

Can I use another brand's battery at the same time as a Fenix battery?

Can I use Energizer batteries in my Fenix light?

Can I use Panasonic li-ion batteries in my Fenix light?

Can I use UltraFire batteries in my Fenix light?

Can my Fenix 18650 lithium-ion batteries be left in a below zero storage area for days at a time and still function when the light is needed?

Can the Fenix ARB-L18 3500 mAh battery be charged and used in the Fenix CL25R or the CL30R LED Rechargeable Lanterns?

Can the Fenix ARB-L18-3500U USB batteries be recharged in Fenix chargers?

Can you use a Fenix ARB-L14-1600U 14500 battery with the Fenix E12 (V1) or E12 V2.0 flashlights?

Do I need to purchase a battery charger for the Fenix PD25's or PD25R's rechargeable battery?

Do Orbtronic batteries work in Fenix flashlights?

Do the Fenix USB rechargeable batteries come with a charging cable?

Do you have 18350 batteries?

Do you have Fenix 18650 batteries with a built-in micro USB charging port?

We do not carry AAAA batteries. We do carry AAA batteries, but they are not USB rechargeable. If you're interested in learning more about batteries, check out our blog where we cover different battery types.  Did this answer your question?   Last up

Do you sell high quality rechargeable AAA and AA batteries?

Do your lithium ion batteries come fully charged?

Do your Ni-MH rechargeable batteries come fully charged?

How big are the Fenix 14500 batteries?

How big are the Fenix 16340 batteries?

How big are the Fenix 18650 batteries?

How big are the Fenix 21700 batteries?

How big are the Fenix 26650 batteries

How can I tell if my battery is fully charged?

How can I tell when my Fenix USB rechargeable battery is fully charged?

How long do Fenix batteries last?

How long do rechargeable lithium ion batteries last?

How long does it take for an ARB-L18-3500U battery to charge via cable?

How long does it take to charge a Fenix battery in a Fenix charger?

How long does it take to fully charge a Fenix ARB-L18-3500U battery using its USB charging function?

How long of a runtime will I see with the Fenix ARB-L18-3500 18650 battery versus the ARB-L18-2600 18650 battery?

How much longer would a Fenix flashlight run if I were to use an 18650 3500mAh battery vs an 18650 2600mAh battery?

How would you compare the performance of the Ni-MH 1.2V battery and the lithium 1.5V battery?

Is the price listed for the Fenix ARB-L18-3500 18650 battery for a single battery or a two pack?

Is there a recommended storage voltage for 18650 rechargeable batteries?

Is there a way to fix an overdischarged battery in deep discharge?

My Fenix battery is starting to peel and swell after charging. Is this normal?

My unit's USB port is not working. Is it covered under warranty?

Should I discharge an 18650 battery before charging it?

The plastic wrapping on my Fenix lithium-ion battery has started to tear. Is it still safe to use?

What are the advantages and disadvantages of using a micro USB rechargeable lithium-ion battery versus a rechargeable lithium-ion battery that requires a battery charger?

What are the charging requirements for batteries with charging ports?

What are the pros and cons of 18650 lithium-ion batteries?

What batteries can be charged inside USB rechargeable flashlights?

What batteries should I use in my Fenix light?

What does the mAh mean in lithium-ion batteries?

What is a protected battery?

What is the difference between the ARB-L18-2600 and the ARB-L18-3500 batteries?

What is the max discharge amperage of the Fenix ARB-L18-3500 18650 battery?

What's the difference between a $5 18650 battery and a Fenix battery?

When do I need to replace rechargeable lithium ion batteries?

Where are Fenix brand flashlights manufactured?

Where can I purchase the Fenix ARB-L2 series batteries?

Which 18650 batteries replaced the ARB-L2 series?

Which battery is better for extremely cold weather: 18650 lithium-ion batteries or CR123A lithium batteries?

Which Fenix flashlights can use the ARB-L18-2900L cold-resistant battery?

Who manufactures the Fenix lithium-ion batteries?

Fenix Battery FAQs

Show me a video on troubleshooting if my light won't turn on.Updated 3 months ago