Troubleshooting & Maintaining My Light

Can I purchase a new lens for my Fenix flashlight?

We do not carry replacement lenses, but we do offer replacement head pieces and other flashlight parts. Please reach out to our customer service department with your flashlight's serial number if you're interested in purchasing a flashlight part.

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

We are not able to sell extra parts for flashlights. If you have a light that has a defective part please first search in the top left of this page for troubleshooting steps for your model, then follow the instructions on the bottom of that page if t

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

Remove the corroded batteries and wipe out all areas exposed to corrosion with a clean cloth and/or cotton swab. Next make a thick solution of baking soda and water. Using an old toothbrush or some other kind of soft-bristled brush scrub any spots of

Can I damage my Fenix flashlight by inserting the batteries backward?

No, all Fenix flashlights have reverse polarity protection which will protect both the batteries and flashlight if you insert the batteries the wrong way.

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

For issues with the side switch, please contact our customer service department. For issues with the tail switch, please see the below instructions to tighten the switch if necessary. Be careful not to over-tighten! Remove the tail cap. Look on the i

How do I charge my Fenix USB rechargeable flashlight?

Plug the micro-USB or USB-C end of the charging cable into the charging port on your light, then plug the other end into a USB port on a computer or a USB AC wall adapter. Your Fenix rechargeable flashlight will start charging. Note: some models ship

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

You will simply just work your fingers underneath the pocket clip until you have a good enough grip and then all you do is just pull until it comes off. No fancy way of getting it off, just need to pull it off. The clip should be able to withstand th

How do you remove the snap ring on a Fenix flashlight?

Using a pair of needle nose pliers or snap ring pliers, insert the pliers into the holes of the snap ring. Gently squeeze to bring the sides of the snap ring together and lift it out of the flashlight.

I can't remove my batteries from my Fenix flashlight. What should I do?

Unfortunately, there is not always a lot that can be done if a battery becomes stuck in your flashlight. You can send it back to us for repair and and we will do our best to remove the battery or replace parts if we are able to. We are not always abl

I dropped my Fenix flashlight and now it won't turn on. What do I do?

First, try out a new battery as dropping the flashlight can sometimes damage the protection circuit inside the battery which would prevent the battery from working. If trying out a new battery doesn't help, please navigate to our Warranty and Repair

My Fenix BC30 V2.0 bike light won't pair with the wireless remote switch. How can I fix it?

First, make sure that the wireless remote switch is synced properly with the bike light. To sync up the wireless remote switch to the BC30 V2 bike light, make sure the remote and light are within 1.5 meters of one another. Next, press and hold the fu

My Fenix flashlight is dimming. What can I do?

For this particular flashlight issue, please follow the instructions listed on our Troubleshooting page.

My Fenix flashlight is discharging the battery even though it is turned off. What can I do?

For this particular issue, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

My Fenix flashlight is draining the battery more quickly than usual. What can I do?

First, we recommend trying out the troubleshooting steps for your specific light model. In the search bar, type your model in and find the article that says "Troubleshooting Steps For Your Light." Please go through the troubleshooting steps and if th

My Fenix flashlight is making a high pitched electronic buzz sound. Is this normal?

No, this is not a normal function and can mean that your Fenix flashlight has a defective control chip. To see if this is the case, we recommend moving forward with warranty. please navigate to our Warranty and Repair page (https://fenix-store.com/pa

My Fenix flashlight is not as bright as it once used to be. What can I do to fix it?

First, please check that the batteries in your flashlight are good and fully charged. If this does not seem to resolve the issue, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information a

My Fenix flashlight is stuck on the strobe mode or flashing mode. What can I do?

For this particular issue, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

My Fenix flashlight only accesses the low mode. What can I do?

First, make sure your battery is fully charged, that is the most common cause for the flashlight being stuck on the lower settings. If that doesn't work, please search our FAQs for your flashlight model to find the troubleshooting page. If the troubl

My Fenix flashlight only stays on while holding down the tail switch. What can I do to fix it?

It's possible the tail switch is just loose. Try tightening the tail cap firmly, and check that the switch assembly is seated properly - there should be an instructional video for this, but it isn't present in this export. If tightening doesn't help,

My Fenix flashlight only stays on while the switch is held down. What can I do to fix it?

It is possible that the switch is just loose. Please view the video on the general troubleshooting your flashlight page to see how to tighten the switch. If this does not help, please navigate to our Warranty and Repair page (https://fenix-store.com/

My Fenix flashlight only turns on while charging. What can I do?

For this particular issue, we recommend trying out a new battery to see if this fixes the issue. If it doesn't, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your req

My Fenix flashlight or battery is not holding a charge. What should I do?

For this particular issue, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

My Fenix flashlight will not turn off unless I remove the tail cap. What can I do?

Please follow these troubleshooting steps found on this page and if they don't work, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

My Fenix flashlight will not turn on. What do I do?

Please search our FAQs for your flashlight model to find the troubleshooting page. If the troubleshooting doesn't help, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit

My Fenix headlamp won't turn on. What can I do?

Please search our FAQs for your headlamp model to find the troubleshooting page. If the troubleshooting doesn't help, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit yo

My Fenix light is flickering or blinking. What can I do?

Please search our knowledgebase for your specific light model and click on the troubleshooting steps for that model. For example, if you have the Fenix PD35 V2, type that into the search bar and click on "Fenix PD35 V2 Troubleshooting Steps."Please f

My battery is low, but when I put it in my Fenix charger it says that it's full. Why is this?

This could be an issue with the charger or the battery. To determine which product is faulty, try putting the battery on a different charger to see if it works. If the battery charges on the second charger, but not on your Fenix charger then the Feni

My rechargeable Fenix flashight is not charging properly. What can I do to fix this?

For this particular issue, it would be best to go through warranty. Please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

The LED isn't working in my Fenix light. What should I do?

Please search our FAQs for your Fenix light model to find the troubleshooting page. If the troubleshooting doesn't help, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit

The charging indicator on my Fenix flashlight is not glowing when I plug it in to charge. What can I do?

First, please test the wall adapter and charge cable you are currently using with another device that you can charge to see if the charge cable or wall adapter is faulty. Next, try a different charge cable or wall adapter to see if this fixes the iss

The lens is broken on my Fenix flashlight. What can I do?

The lens is not covered under warranty, but if you submit an RA request using this form, you can send your flashlight to us and we'll replace the head of it for a small fee determined by the model of the flashlight.

The side switch on my Fenix UC35 V2.0 or UC30 has fallen off. What can I do?

For this particular issue, please reach out to our warranty department by filling out this RA request form and they would be happy to assist you with your Fenix flashlight.

The tail cap of my Fenix light is rattling. What can I do?

If you're hearing a rattle in your Fenix light's tail cap, it's most likely a loose tail switch. The good news is that this is an easy fix that you can do at home. Please look into our flashlight troubleshooting page that details how to tighten a tai

There is a delay when I turn on my Fenix flashlight. Is this normal?

No, this is not normal for any of our Fenix flashlights. please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

To turn on my Fenix flashlight, I need to tap it against my hand a few times. What can I do to fix it?

For this particular issue, please navigate to our Warranty and Repair page (https://fenix-store.com/pages/warranty-info) to find more information and submit your request for repair.

What are the basic tasks I can perform to keep my light operating?

Loose Switch: the #1 service call we receive concerning Fenix flashlights is a loose silver o-ring in the tailcap. If your light works intermittently or if the LED goes on and off, more than likely it is a loose o-ring in the tailcap. Follow these st

What is the best way to lubricate threads for Fenix flashlights?

We would recommend using some petroleum jelly or vaseline, but apply a VERY light amount so it does not interfere with the battery connection.

When I plug in my USB rechargeable flashlight the light turns on. What should I do?

This is normal for most Fenix rechargeable flashlights and lanterns - while connected to power, the light draws current directly from the external source, which can cause it to turn on. This is only a concern if the light does NOT work when unplugged

Why is my battery not charging in my flashlight after I drained the battery?

If the battery was left too long inside the flashlight without being charged, it's possible the battery is in deep-discharge. In this case, you probably would need to purchase a new battery but you may be able to revive it with an external battery ch

Why is there condensation under the lens of my Fenix flashlight?

While it's not common, condensation getting under the lens can happen. Sometimes moisture gets trapped under the lens during manufacturing. When heated up by the light, condensation can form. Also, moisture can get into the light anytime the light is