Fenix TK16 V2 FAQs

Everything you need to know about your Fenix TK16 V2 LED flashlight

Are you able to load the batteries from the head end of the Fenix TK16 (V1) flashlight?

No, the head of the Fenix TK16 (V1) flashlight will not unscrew. Please don't attempt to unscrew it as this will void the warranty. The head of the Fenix TK16 V2 is able to unscrew and you can load the batteries in through the front with this flashli

Can I use the Fenix ARB-L18-3500 18650 battery in my Fenix TK16 flashlight?

Yes, the Fenix ARB-L18-3500 battery is a great battery to use in this Fenix flashlight.

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

Yes, you can access strobe, momentary-on, constant-on, and cycle through the different brightness modes using the AER-03 remote pressure switch on the Fenix TK16 (V1) flashlight. Check out our Fenix TK16 tactical flashlight review.

Can you explain more about what the APF technology is, how the technology works, and how the technology is different from the hall-effect switches?

To put it simply, multi-functional tail switches encrypt your operation order to the head. Then the head circle-board decodes the order and transfers it to the LEDs.

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

No. APF is just a technology and can work with either mechanical or electronic switches or a combination. For the TK11 TAC, the tail switch is a mechanical-electronic combination. The rotating switch is mechanical; the forward switch is electronic. A

The brightness switch on my Fenix TK16 (V1) tactical flashlight is not working. What can I do?

First, check the Fenix TK16 troubleshooting page. If these steps don't help, 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 Fenix TK16 V2 has APF technology. What is APF technology?

First of all, we would like to share that this APF technology is leading the flashlight industry for at least 2-3 years. The benefits of APF and what it does:The APF (Advanced Pulse-Frequency Transmission System) was developed by Fenix laboratory, a

What accessories work with the Fenix TK16 V2 tactical flashlight?

You can see the accessories that are compatible with any Fenix light using our Accessory Compatibility Chart. Here is a list of what accessories work with the Fenix TK16 V2:

What are the differences between the TK20R V2, TK16 V2, and original TK20R?

The TK20R V2 is significantly different from the original TK20R (V1) but only slightly different from the TK16 V2. Please see the chart below for the full comparisons.

What batteries can be used in the TK16 V2?

The TK16 V2 includes the ARB-L21-5000U USB-C rechargeable 21700 battery. It is also compatible with the ARB-L21-4000P high current 21700 battery. Please note that the regular ARB-L21-5000 battery and other regular 21700 batteries will not work with t

What batteries should I use for the Fenix TK16 (V1) tactical flashlight?

Any Fenix 18650 battery will work well in the Fenix TK16 (V1) tactical flashlight. The higher mAh the battery has, the longer runtimes you'll see with the LED flashlight. Please be aware that whatever 18650 battery you choose needs to be a button top

What batteries work in the Fenix TK16 (V1) flashlight?

The Fenix TK16 (V1) flashlight is compatible with one 18650 li-ion battery or two non-rechargeable CR123 lithium batteries.

What batteries work with the Fenix TK16 V2 tactical flashlight?

The Fenix TK16 V2 can only use either the ARB-L21-5000U 21700 battery (this battery is included with the light) or the ARB-L21-4000P 21700 battery. Due to the APF system, this light is not able to use ARB-L21-5000 21700 battery or other 21700 batteri

What is the beam angle of the TK16 V2?

The TK16 V2 features a two-part beam with a center hot spot and wider flood ring. The beam angle of the hot spot of the light is 11°. The beam angle of the flood ring of the light is 65°