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  3. T37 vs LD36R

Acebeam T37 vs Fenix LD36R

What T37 does better (4) and where LD36R wins (0) — every spec side by side.

Acebeam T37
Acebeam · 2025T37
8.8Score
4 advantages≈ $130
Higher score
vs
Fenix LD36R
Fenix · 2025LD36R
6.9Score
0 advantages≈ $115
7.8Brightness & throw7.2
6.6Battery & charging5.8
7.8Build & durability5.5
7.9Light quality5.5
5.9Features5.9

Why is T37 better than LD36R?

  1. Beam distance (ANSI FL1)440 m vs 385 m+14%
  2. Maximum output4,000 lm vs 3,600 lm+11%
  3. Peak beam intensity48,400 cd vs 37,060 cd+31%
  4. Maximum runtime72 h vs 65.3 h+10%

Why is LD36R better than T37?

LD36R has no measurable advantages in this pair.

Specifications

Side by side

Acebeam T37Acebeam T37≈ $1308.8
Fenix LD36RFenix LD36R≈ $1156.9
Light output
Maximum output4,000 lm3,600 lm
Peak beam intensity48,400 cd37,060 cd
Beam distance (ANSI FL1)440 m385 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SFT-25R
LED maker—Luminus
Number of LEDs—3
Colour temperature6,500K6,500K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Maximum runtime72 h65.3 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicator—Yes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Size & weight
Length / height—139.6 mm
Head diameter / width—40 mm
Body diameter / depth—26.5 mm
Weight—231 g
Modes & features
Brightness levels5—
Stepless (ramping) brightness—Yes
SwitchTail switch, Rotary / scroll wheel—
StrobeYesYes
Red light—Yes
Green / blue / RGB light—Yes
Lockout—Yes
Mode memory—Yes
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