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  3. T37 vs PD36R ACE

Acebeam T37 vs Fenix PD36R ACE

What T37 does better (4) and where PD36R ACE wins (0) — every spec side by side.

Acebeam T37
Acebeam · 2025T37
8.8Score
4 advantages≈ $130
Higher score
vs
Fenix PD36R ACE
Fenix · 2025PD36R ACE
7.8Score
0 advantages≈ $110
7.8Brightness & throw7.2
6.6Battery & charging6.6
7.8Build & durability6.2
5.9Features5.9

Why is T37 better than PD36R ACE?

  1. Maximum output4,000 lm vs 3,000 lm+33%
  2. Beam distance (ANSI FL1)440 m vs 415 m+6%
  3. Maximum runtime72 h vs 63.4 h+14%
  4. Peak beam intensity48,400 cd vs 43,060 cd+12%

Why is PD36R ACE better than T37?

PD36R ACE has no measurable advantages in this pair.

Specifications

Side by side

Acebeam T37Acebeam T37≈ $1308.8
Fenix PD36R ACEFenix PD36R ACE≈ $1107.8
Light output
Maximum output4,000 lm3,000 lm
Peak beam intensity48,400 cd43,060 cd
Beam distance (ANSI FL1)440 m415 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SFT-70
LED maker—Luminus
Colour temperature6,500K6,500K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Battery capacity—5,000 mAh
Maximum runtime72 h63.4 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicator—Yes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Body material—Aluminium
Size & weight
Length / height—146 mm
Head diameter / width—30 mm
Body diameter / depth—26 mm
Weight—182 g
Modes & features
Brightness levels5—
SwitchTail switch, Rotary / scroll wheel—
StrobeYesYes
SOS / beacon—Yes
Mode memory—Yes
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