How we scoreBlogAdvertise
html›body›main#compare791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Compare
  3. T37 vs HT18R V2.0

Acebeam T37 vs Fenix HT18R V2.0

What T37 does better (1) and where HT18R V2.0 wins (3) — every spec side by side.

Acebeam T37
Acebeam · 2025T37
8.8Score
1 advantage≈ $130
Higher score
vs
Fenix HT18R V2.0
Fenix · 2025HT18R V2.0
8.8Score
3 advantages≈ $150
7.8Brightness & throw8.9
6.6Battery & charging8.4
7.8Build & durability4.3
5.9Features5.9

Why is T37 better than HT18R V2.0?

  1. Maximum output4,000 lm vs 3,700 lm+8%

Why is HT18R V2.0 better than T37?

  1. Beam distance (ANSI FL1)440 m vs 1,100 m2.5×
  2. Peak beam intensity48,400 cd vs 302,500 cd6.2×
  3. Maximum runtime72 h vs 87 h+21%
Specifications

Side by side

Acebeam T37Acebeam T37≈ $1308.8
Fenix HT18R V2.0Fenix HT18R V2.0≈ $1508.8
Light output
Maximum output4,000 lm3,700 lm
Peak beam intensity48,400 cd302,500 cd
Beam distance (ANSI FL1)440 m1,100 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SFT-90
LED maker—Luminus
Colour temperature6,500K6,500K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Battery capacity—6,000 mAh
Maximum runtime72 h87 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicator—Yes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Submersible to—1.5 m
Body material—Aluminium
Size & weight
Weight—358 g
Modes & features
Brightness levels5—
SwitchTail switch, Rotary / scroll wheelSide switch
StrobeYesYes
SOS / beacon—Yes
Lockout—Yes
Mode memory—Yes
Colours—Black
To compare: 0up to 4 models
Compare