General Troubleshooting & Maintenance
Batteries leaked or corroded in my Fenix light. 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?
Reverse polarity protection varies by model, so please check the user manual for your specific light. To avoid any risk of damage, always insert batteries following the polarity markings on the light.
How do I charge my Fenix USB rechargeable light?
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
I dropped my Fenix light 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 light is discharging the battery even though it is turned off. What can I do?
A very small standby drain is normal on many Fenix lights with electronic switches, so if you will not use the light for an extended period, we recommend removing the battery. If the battery is draining noticeably faster than that while the light is
My Fenix light 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 light 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 light will not turn on. What do I do?
Please search our FAQs for your 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 your reques
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 TK20R, type that into the search bar and click on "Fenix TK20R Troubleshooting Steps." Please foll
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 light 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 light 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
There is a delay when I turn on my Fenix light. 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 light, 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?
Here are a few basic tasks that help keep your light operating: 1. Use fresh or fully charged batteries and make sure they are installed correctly. 2. Keep the battery contacts and threads clean; wipe away dirt or debris with a clean, dry cloth. 3. I
What is the best way to lubricate threads for Fenix flashlights?
We would recommend using silicone grease, but apply a VERY light amount so it does not interfere with the battery connection.
Why is my battery not charging in my light after I drained the battery?
If the battery was left too long inside the light 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 charger
What power adapter is recommended for charging my TK20R V2.0 flashlight properly?
The TK20R V2.0 requires a USB wall charger rated at least 2A for proper charging; with the included 5000mAh battery, a full charge takes about 3.5 hours. A computer USB port or a low-output (1A) adapter may not charge it properly. It's always recomme
I can't remove the batteries from my Fenix light. 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
My Fenix flashlight is making a high pitched electronic buzz sound. Is this normal?
An unusual noise such as a high-pitched buzz is worth having checked. Please contact our customer support team so we can help determine whether warranty service is needed. You can also visit our Warranty and Repair page to review the policy and submi
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 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
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 retaining ring that holds the switch inside the tail cap is tight, as described in our Flashlight Troubleshooting Guide. If tightening doesn't help, p
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 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 will not turn off unless I remove the tail cap. What can I do?
Please follow the steps in our Flashlight Troubleshooting Guide 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.
The lens is broken on my Fenix flashlight. What can I do?
Replacement parts, including heads and lenses, may be available for some models — please contact our customer support team to ask whether a part is available for your flashlight. Please note that damage from use, such as a lens broken by an impact, i
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
When I plug in my USB rechargeable flashlight the light turns on. What should I do?
Some Fenix rechargeable lights allow a low output to be used while charging, so the behavior while plugged in varies by model — please check your light's user manual. If your light turns on unexpectedly while plugged in, or does NOT work when unplugg
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
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