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  3. T37 vs LD45R

Acebeam T37 vs Fenix LD45R

What T37 does better (2) and where LD45R wins (2) — every spec side by side.

Acebeam T37
Acebeam · 2025T37
9.0Score
2 advantages≈ $130
Higher score
vs
Fenix LD45R
Fenix · 2024LD45R
7.4Score
2 advantages≈ $160
8.3Brightness & throw8.0
7.1Battery & charging6.5
8.2Build & durability5.5
8.1Light quality5.6
5.9Features5.9

Why is T37 better than LD45R?

  1. Maximum output4,000 lm vs 2,800 lm+43%
  2. Maximum runtime72 h vs 65 h+11%

Why is LD45R better than T37?

  1. Beam distance (ANSI FL1)440 m vs 480 m+9%
  2. Peak beam intensity48,400 cd vs 57,600 cd+19%
Specifications

Side by side

Acebeam T37Acebeam T37≈ $1309.0
Fenix LD45RFenix LD45R≈ $1607.4
Light output
Maximum output4,000 lm2,800 lm
Peak beam intensity48,400 cd57,600 cd
Beam distance (ANSI FL1)440 m480 m
Light sourceLEDLED
Adjustable focus (zoom)—Yes
LED & beam
LED emitter—Luminus SFT-70
LED maker—Luminus
Colour temperature6,500K5,800K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Maximum runtime72 h65 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicator—Yes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Size & weight
Length / height—155.3 mm
Head diameter / width—44.5 mm
Body diameter / depth—32 mm
Weight—302 g
Modes & features
Brightness levels5—
SwitchTail switch, Rotary / scroll wheelRotary / scroll wheel
StrobeYesYes
SOS / beacon—Yes
Lockout—Yes
Mode memory—Yes
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