FenixFlashlight
Fenix TK21R
Fenix TK21R is a flashlight released in 2025. Key specs: maximum output 3,600 lm, beam distance (ANSI FL1) 480 m, peak beam intensity 57,600 cd, maximum runtime 72.5 h.
8.6Score
Brightness & throw8.4
Battery & charging8.2
Build & durability6.0
Features5.9
price range$120–150
- Year
- 2025
- Type
- Flashlight
- Brand
Fenix- Popularity
- #918 of 1,338
3,600 lmMaximum output
480 mBeam distance (ANSI FL1)
57,600 cdPeak beam intensity
72.5 hMaximum runtime
21700 Li-ionBattery
Luminus SFT-90LED emitter
IPx8Water protection (IPx)
221 gWeight
Spec guide
How it ranks among flashlights of 2025
Maximum output · 3,600 lmTop 10%Beam distance (ANSI FL1) · 480 mTop 11%Peak beam intensity · 57,600 cdTop 15%Maximum runtime · 72.5 hTop 38%Water protection (IPx) · IPx8Top 34%Weight · 221 gBottom 23%
Compared with flashlights released in 2025. Bars show the share of models it beats.
compared with other flashlights
Why is TK21R a good choice?
Maximum output: 3,600 lmbetter than 80% of flashlights
Beam distance (ANSI FL1): 480 mbetter than 76% of flashlights
Battery capacity: 6,000 mAhbetter than 86% of flashlights
Specifications
Full specifications
Light output
- Maximum output
- 3,600 lm
- Peak beam intensity
- 57,600 cd
- Beam distance (ANSI FL1)
- 480 m
Battery & charging
- Battery
- 21700 Li-ion
- Battery capacity
- 6,000 mAh
- Maximum runtime
- 72.5 h
- Rechargeable
- Yes
- USB-C charging
- Yes
- Battery level indicator
- Yes
Size & weight
- Length / height
- 159.5 mm
- Head diameter / width
- 36 mm
- Body diameter / depth
- 25.4 mm
- Weight
- 221 g
Modes & features
- Switch
- Dual switches
- Tactical tail switch (momentary on)
- Yes
- Strobe
- Yes
- Mode memory
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Flashlights: Maximum output from 1,000 lm + tactical tail switch (momentary on)44Flashlights: Peak beam intensity from 50,000 cd + battery capacity from 4,000 mah45Flashlights — Maximum output from 3,000 lm + LED maker: Luminus47Flashlights — Peak beam intensity from 50,000 cd + Body material: Aluminium48Flashlights — Battery: 21700 Li-ion + LED maker: Luminus52Flashlights — Peak beam intensity from 50,000 cd + Battery: 21700 Li-ion53Flashlights: Peak beam intensity from 50,000 cd + water protection (IPx) from IPx859Flashlights: Maximum output from 3,000 lm + peak beam intensity from 50,000 cd60
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