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  3. LD36R vs LD45R

Fenix LD36R vs Fenix LD45R

What LD36R does better (2) and where LD45R wins (2) — every spec side by side.

Fenix LD36R
Fenix · 2025LD36R
6.9Score
2 advantages≈ $115
Higher score
vs
Fenix LD45R
Fenix · 2024LD45R
6.8Score
2 advantages≈ $160
7.2Brightness & throw7.4
5.8Battery & charging5.7
5.5Build & durability5.0
5.5Light quality5.5
5.9Features5.9
Dimensions

Size comparison

LD36RLD45R
40 × 139.626.544.5 × 155.332
LD36RLD45RDifference
Length / height139.6 mm155.3 mm−15.7 mm
Head diameter / width40 mm44.5 mm−4.5 mm
Body diameter / depth26.5 mm32 mm−5.5 mm
Weight231 g302 g−71 g

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

Why is LD36R better than LD45R?

  1. Maximum output3,600 lm vs 2,800 lm+29%
  2. Weight231 g vs 302 g+31%

Why is LD45R better than LD36R?

  1. Beam distance (ANSI FL1)385 m vs 480 m+25%
  2. Peak beam intensity37,060 cd vs 57,600 cd+55%
Specifications

Side by side

Fenix LD36RFenix LD36R≈ $1156.9
Fenix LD45RFenix LD45R≈ $1606.8
Light output
Maximum output3,600 lm2,800 lm
Peak beam intensity37,060 cd57,600 cd
Beam distance (ANSI FL1)385 m480 m
Light sourceLEDLED
Adjustable focus (zoom)—Yes
LED & beam
LED emitterLuminus SFT-25RLuminus SFT-70
LED makerLuminusLuminus
Number of LEDs3—
Colour temperature6,500K5,800K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Maximum runtime65.3 h65 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Size & weight
Length / height139.6 mm155.3 mm
Head diameter / width40 mm44.5 mm
Body diameter / depth26.5 mm32 mm
Weight231 g302 g
Modes & features
Stepless (ramping) brightnessYes—
Switch—Rotary / scroll wheel
StrobeYesYes
SOS / beacon—Yes
Red lightYes—
Green / blue / RGB lightYes—
LockoutYesYes
Mode memoryYesYes
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