How we scoreBlogAdvertise
html›body›main#compare791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Compare
  3. TK17 vs P81

Fenix TK17 vs Nextorch P81

What TK17 does better (2) and where P81 wins (4) — every spec side by side.

Fenix TK17
Fenix · 2025TK17
7.4Score
2 advantages≈ $105
Higher score
vs
Nextorch P81
Nextorch · 2025P81
5.8Score
4 advantages≈ $95
6.4Brightness & throw7.1
7.1Battery & charging5.4
6.1Build & durability3.4
5.9Features5.9
Dimensions

Size comparison

TK17P81
36 × 148.525.435 × 16128.5
TK17P81Difference
Length / height148.5 mm161 mm−12.5 mm
Head diameter / width36 mm35 mm+1 mm
Body diameter / depth25.4 mm28.5 mm−3.1 mm
Weight197 g170 g+27 g

Drawn to the same scale from the official dimensions (front and side).

Why is TK17 better than P81?

  1. Battery capacity6,000 mAh vs 4,800 mAh+25%
  2. Water protection (IPx)IPx8 vs IPx7+14%

Why is P81 better than TK17?

  1. Beam distance (ANSI FL1)330 m vs 370 m+12%
  2. Maximum output3,600 lm vs 3,700 lm+3%
  3. Peak beam intensity27,220 cd vs 34,225 cd+26%
  4. Weight197 g vs 170 g+16%
Specifications

Side by side

Fenix TK17Fenix TK17≈ $1057.4
Nextorch P81Nextorch P81≈ $955.8
Light output
Maximum output3,600 lm3,700 lm
Peak beam intensity27,220 cd34,225 cd
Beam distance (ANSI FL1)330 m370 m
Light sourceLEDLED
LED & beam
LED emitterCree XHP50—
LED makerCree—
Colour temperature5,700K—
Battery & charging
Battery21700 Li-ion21700 Li-ion
Battery capacity6,000 mAh4,800 mAh
Maximum runtime60 h60 h
RechargeableYesYes
USB-C chargingYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP68IPX7
Water protection (IPx)IPx8IPx7
Submersible to—1 m
Impact resistance (drop)—1 m
Body materialAluminiumAluminium
Size & weight
Length / height148.5 mm161 mm
Head diameter / width36 mm35 mm
Body diameter / depth25.4 mm28.5 mm
Weight197 g170 g
Modes & features
SwitchDual switchesDual switches
Tactical tail switch (momentary on)YesYes
StrobeYesYes
Mode memoryYes—
To compare: 0up to 4 models
Compare