How we scoreBlogAdvertise
html›body›main#compare791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Compare
  3. LD12R vs LD36R

Fenix LD12R vs Fenix LD36R

What LD12R does better (1) and where LD36R wins (4) — every spec side by side.

Fenix LD12R
Fenix · 2023LD12R
5.4Score
1 advantage≈ $60
vs
Fenix LD36R
Fenix · 2025LD36R
6.9Score
4 advantages≈ $115
Higher score
3.1Brightness & throw7.2
3.5Battery & charging5.8
9.1Build & durability5.5
5.9Features5.9
Dimensions

Size comparison

LD12RLD36R
22 × 1211940 × 139.626.5
LD12RLD36RDifference
Length / height121 mm139.6 mm−18.6 mm
Head diameter / width22 mm40 mm−18 mm
Body diameter / depth19 mm26.5 mm−7.5 mm
Weight74 g231 g−157 g

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

Why is LD12R better than LD36R?

  1. Weight74 g vs 231 g3.1×

Why is LD36R better than LD12R?

  1. Maximum output600 lm vs 3,600 lm6×
  2. Beam distance (ANSI FL1)186 m vs 385 m2.1×
  3. Peak beam intensity8,650 cd vs 37,060 cd4.3×
  4. Maximum runtime16.3 h vs 65.3 h4×
Specifications

Side by side

Fenix LD12RFenix LD12R≈ $605.4
Fenix LD36RFenix LD36R≈ $1156.9
Light output
Maximum output600 lm3,600 lm
Peak beam intensity8,650 cd37,060 cd
Beam distance (ANSI FL1)186 m385 m
Light sourceLEDLED
LED & beam
LED emitterLuminus SST-20Luminus SFT-25R
LED makerLuminusLuminus
Number of LEDs—3
Colour temperature6,500K6,500K
Battery & charging
Battery14500 Li-ion, AA21700 Li-ion
Maximum runtime16.3 h65.3 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Pocket clipYes—
Size & weight
Length / height121 mm139.6 mm
Head diameter / width22 mm40 mm
Body diameter / depth19 mm26.5 mm
Weight74 g231 g
Modes & features
Stepless (ramping) brightness—Yes
SwitchRotary / scroll wheel—
Strobe—Yes
Red light—Yes
Green / blue / RGB light—Yes
Lockout—Yes
Mode memoryYesYes
To compare: 0up to 4 models
Compare