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Fenix TK15R vs Fenix TK21R

Fenix TK15R ($119.95) vs Fenix TK21R ($134.95) — side-by-side specs, weight, pros and cons to help you pick the right flashlight.

Fenix TK15R
Fenix
TK15R
$119.95
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Fenix TK21R
Fenix
TK21R
$134.95
Check Price →
Spec-by-spec
SpecFenix TK15RFenix TK21R
Price$119.95$134.95
Weight205.5g221.4g
Output3,200 lumens, 490 m3,600 lumens, 480 m
LEDOne Luminus SFT70 LEDOne Luminus SFT90
ModesSeven lighting modes including four levels of Duty mode, two levels of IRIS X mode, and StrobeFive lighting modes including four brightness levels and Strobe
Battery21700 li-ion rechargeable battery6000mAh rechargeable li-ion battery
SizeLength 149 mm, Head 34 mm, Body 25.4 mmLength 159.5 mm, Head 36 mm, Body 25.4 mm
Runtime68 hours 20 minutes max72 hours 30 minutes max
Weight205.5g incl. battery (fenixlighting.com spec text: 7.25 oz (205.5g) including battery)221.4g incl. battery (fenixlighting.com spec text: 7.81 oz. (221.4g) including battery)
Pros & Cons

Fenix TK15R

  • 3,200 lumens and 490 m of throw
  • Runs on 21700 li-ion rechargeable battery
  • 205.5 g with the battery
  • Limited lifetime guarantee from Fenix Lighting USA
  • 205.5 g is heavy for a pocket
  • Fenix's 68 hours 20 minutes runtime is its longest figure, normally at the lowest level, not at full output

Fenix TK21R

  • 3,600 lumens and 480 m of throw
  • Runs on 6000mAh rechargeable li-ion battery
  • 221.4 g with the battery
  • Limited lifetime guarantee from Fenix Lighting USA
  • 221.4 g is heavy for a pocket
  • Fenix's 72 hours 30 minutes runtime is its longest figure, normally at the lowest level, not at full output
Fenix TK15R is the better value at $119.95. Both are part of our curated flashlight index — tap through to check current pricing.
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