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  3. LD36R vs TK25R

Fenix LD36R vs Fenix TK25R

What LD36R does better (3) and where TK25R wins (1) — every spec side by side.

Fenix LD36R
Fenix · 2025LD36R
6.9Score
3 advantages≈ $115
Higher score
vs
Fenix TK25R
Fenix · 2025TK25R
6.6Score
1 advantage≈ $140
7.2Brightness & throw6.7
5.8Battery & charging5.1
5.5Build & durability5.5
5.9Features5.9
Dimensions

Size comparison

LD36RTK25R
40 × 139.626.536 × 16426.2
LD36RTK25RDifference
Length / height139.6 mm164 mm−24.4 mm
Head diameter / width40 mm36 mm+4 mm
Body diameter / depth26.5 mm26.2 mm+0.3 mm
Weight231 g225 g+6 g

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

Why is LD36R better than TK25R?

  1. Beam distance (ANSI FL1)385 m vs 350 m+10%
  2. Peak beam intensity37,060 cd vs 30,620 cd+21%
  3. Maximum runtime65.3 h vs 55 h+19%

Why is TK25R better than LD36R?

  1. Weight231 g vs 225 g+3%
Specifications

Side by side

Fenix LD36RFenix LD36R≈ $1156.9
Fenix TK25RFenix TK25R≈ $1406.6
Light output
Maximum output3,600 lm3,600 lm
Peak beam intensity37,060 cd30,620 cd
Beam distance (ANSI FL1)385 m350 m
Light sourceLEDLED
LED & beam
LED emitterLuminus SFT-25RCree XHP50
LED makerLuminusCree
Number of LEDs3—
Colour temperature6,500K5,700K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Maximum runtime65.3 h55 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Size & weight
Length / height139.6 mm164 mm
Head diameter / width40 mm36 mm
Body diameter / depth26.5 mm26.2 mm
Weight231 g225 g
Modes & features
Stepless (ramping) brightnessYes—
Switch—Dual switches
StrobeYesYes
Red lightYesYes
UV light—Yes
Green / blue / RGB lightYesYes
LockoutYesYes
Mode memoryYesYes
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