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  3. TK17 vs Open

Fenix TK17 vs Olight Open

What TK17 does better (1) and where Open wins (0) — every spec side by side.

Fenix TK17
Fenix · 2025TK17
7.7Score
1 advantage≈ $105
Higher score
vs
Olight Open
Olight · 2025Open
0 advantages≈ $100
7.0Brightness & throw2.4

Why is TK17 better than Open?

  1. Maximum output3,600 lm vs 120 lm30×

Why is Open better than TK17?

Open has no measurable advantages in this pair.

Specifications

Side by side

Fenix TK17Fenix TK17≈ $1057.7
Olight OpenOlight Open≈ $100
Light output
Maximum output3,600 lm120 lm
Peak beam intensity27,220 cd—
Beam distance (ANSI FL1)330 m—
Light sourceLEDLED
LED & beam
LED emitterCree XHP50—
LED makerCree—
Colour temperature5,700K—
Battery & charging
Battery21700 Li-ion—
Battery capacity6,000 mAh—
Maximum runtime60 h—
RechargeableYes—
USB-C chargingYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP68—
Water protection (IPx)IPx8—
Body materialAluminium—
Size & weight
Length / height148.5 mm—
Head diameter / width36 mm—
Body diameter / depth25.4 mm—
Weight197 g—
Modes & features
SwitchDual switches—
Tactical tail switch (momentary on)Yes—
StrobeYes—
Laser pointer / aiming laser—Yes
Mode memoryYes—
Colours—Black
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