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  3. TK35R vs EDC37

Fenix TK35R vs Nitecore EDC37

What TK35R does better (3) and where EDC37 wins (4) — every spec side by side.

Fenix TK35R
Fenix · 2025TK35R
8.8Score
3 advantages≈ $200
Higher score
vs
Nitecore EDC37
Nitecore · 2025EDC37
8.6Score
4 advantages≈ $120
8.8Brightness & throw8.0
7.0Battery & charging9.3
4.9Build & durability4.2
5.9Features5.9
Dimensions

Size comparison

TK35REDC37
43 × 15439 × 108
TK35REDC37Difference
Length / height154 mm108 mm+46 mm
Head diameter / width43 mm39 mm+4 mm
Weight342 g199 g+143 g

Drawn to the same scale from the official dimensions (front and side).

Why is TK35R better than EDC37?

  1. Peak beam intensity93,020 cd vs 44,010 cd2.1×
  2. Water protection (IPx)IPx8 vs IPx42×
  3. Beam distance (ANSI FL1)610 m vs 420 m+45%

Why is EDC37 better than TK35R?

  1. Battery capacity4,000 mAh vs 8,000 mAh2×
  2. Maximum output5,800 lm vs 8,000 lm+38%
  3. Maximum runtime105 h vs 190 h+81%
  4. Weight342 g vs 199 g+72%
Specifications

Side by side

Fenix TK35RFenix TK35R≈ $2008.8
Nitecore EDC37Nitecore EDC37≈ $1208.6
Light output
Maximum output5,800 lm8,000 lm
Peak beam intensity93,020 cd44,010 cd
Beam distance (ANSI FL1)610 m420 m
Light sourceLEDLED
LED & beam
LED emitterLuminus SFT-25RNiteLab UHi 20 MAX
LED makerLuminusNiteLab
Number of LEDs42
Colour temperature7,500K—
Battery & charging
Battery18650 Li-ionBuilt-in Li-ion / Li-Po
Battery capacity4,000 mAh8,000 mAh
Maximum runtime105 h190 h
RechargeableYesYes
USB-C chargingYesYes
Charging time—2 h
Battery level indicatorYes—
Build & durability
Protection ratingIP68IP54
Water protection (IPx)IPx8IPx4
Impact resistance (drop)—2 m
Body materialAluminium—
Size & weight
Length / height154 mm108 mm
Head diameter / width43 mm39 mm
Weight342 g199 g
Modes & features
SwitchDual switchesTail switch
StrobeYesYes
Red lightYes—
UV lightYes—
Lockout—Yes
Mode memoryYes—
ColoursBlackBlack
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