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  3. T37 vs TK22R

Acebeam T37 vs Fenix TK22R

What T37 does better (2) and where TK22R wins (2) — every spec side by side.

Acebeam T37
Acebeam · 2025T37
8.8Score
2 advantages≈ $130
Higher score
vs
Fenix TK22R
Fenix · 2023TK22R
7.2Score
2 advantages≈ $140
7.8Brightness & throw7.7
6.6Battery & charging5.0
7.8Build & durability5.6
5.9Features5.9

Why is T37 better than TK22R?

  1. Maximum output4,000 lm vs 3,200 lm+25%
  2. Maximum runtime72 h vs 50 h+44%

Why is TK22R 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≈ $1308.8
Fenix TK22RFenix TK22R≈ $1407.2
Light output
Maximum output4,000 lm3,200 lm
Peak beam intensity48,400 cd57,600 cd
Beam distance (ANSI FL1)440 m480 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SST-70
LED maker—Luminus
Colour temperature6,500K6,500K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Maximum runtime72 h50 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicator—Yes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Size & weight
Length / height—158 mm
Head diameter / width—40 mm
Body diameter / depth—25.4 mm
Weight—218 g
Modes & features
Brightness levels5—
SwitchTail switch, Rotary / scroll wheel—
Tactical tail switch (momentary on)—Yes
StrobeYesYes
Lockout—Yes
Mode memory—Yes
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