Q: What are the key features of TK11R?
A:
- Simple and rapid output selection.
- High performance and impressive output.
- USB Type-C charging.
- This flashlight comes with a Fenix ARB-L18-3400 battery.
Q: What kind of LED is used in TK11R?
A: One Luminus SFT40 cold white LED with a lifespan of 50,000 hours.
Q: What is the working voltage of TK11R?
A: The operating voltage is 3.0 V-8.4 V.
Q: What kind of battery can be used in TK11R?
A: It is recommended to use a Fenix 18650 Li-ion battery. Other Li-ion batteries are
not recommended but are safe to use if they are quality brands. The TK11R also can use two CR123A batteries as backup.
Q: What is APF?
A: The APF (Advanced Pulse-Frequency Transmission System) was developed by
Fenix laboratory and is a major technology breakthrough of flashlight industry. Allowing
the tactical flashlight to achieve a higher level of performance in the following ways:
- Traditional forward switches are limited by
current, and it is difficult to achieve brightness above 1000 Lumens with 18650 batteries and 2000 even with 21700 batteries. APF technology allows these limits to be surpassed - Make the functional tail cap simpler. Traditional multi-function tail cap needs a
double-layer body or additional channels to work. APF technology offers a more simple approach to meet these goals. - Better anti-interference performance. Complex external environments such
as strong magnetic fields are easily ignored because of stronger anti-interference ability.