How we scoreBlogAdvertise
html›body›main#compare1,338 models · updated Nov 10, 2026
  1. compoundsemi.com
  2. Compare
  3. TK25R vs Seeker 4 IPX8

Fenix TK25R vs Olight Seeker 4 IPX8

What TK25R does better (2) and where Seeker 4 IPX8 wins (1) — every spec side by side.

Fenix TK25R
Fenix · 2025TK25R
7.3Score
2 advantages≈ $140
Higher score
vs
Olight Seeker 4 IPX8
Olight · 2025Seeker 4 IPX8
1 advantage≈ $140
7.4Brightness & throw8.0

Why is TK25R better than Seeker 4 IPX8?

  1. Maximum output3,600 lm vs 3,100 lm+16%
  2. RechargeableYes · Seeker 4 IPX8: No

Why is Seeker 4 IPX8 better than TK25R?

  1. Beam distance (ANSI FL1)350 m vs 400 m+14%
Specifications

Side by side

Fenix TK25RFenix TK25R≈ $1407.3
Light output
Maximum output3,600 lm3,100 lm
Peak beam intensity30,620 cd—
Beam distance (ANSI FL1)350 m400 m
Light sourceLEDLED
LED & beam
LED emitterCree XHP50—
LED makerCree—
Colour temperature5,700K—
Battery & charging
Battery21700 Li-ion—
Maximum runtime55 h—
RechargeableYesNo
USB-C chargingYesYes
Battery level indicatorYes—
Build & durability
Protection ratingIP68—
Water protection (IPx)IPx8—
Body material—Stainless steel
Size & weight
Length / height164 mm—
Head diameter / width36 mm—
Body diameter / depth26.2 mm—
Weight225 g—
Modes & features
SwitchDual switches—
StrobeYes—
Red lightYes—
UV lightYes—
Green / blue / RGB lightYes—
LockoutYes—
Mode memoryYes—
Colours—Black
To compare: 0up to 4 models
Compare