How we scoreBlogAdvertise
html›body›main#compare1,338 models · updated Nov 10, 2026
  1. compoundsemi.com
  2. Compare
  3. E40R vs TK15R

Fenix E40R vs Fenix TK15R

What E40R does better (2) and where TK15R wins (3) — every spec side by side.

Fenix E40R
Fenix · 2026E40R
7.9Score
2 advantages≈ $110
vs
Fenix TK15R
Fenix · 2026TK15R
8.3Score
3 advantages≈ $120
Higher score
6.6Brightness & throw8.4
8.4Battery & charging6.7
6.1Build & durability6.3
5.9Features5.9
Dimensions

Size comparison

E40RTK15R
35 × 13826.434 × 14925.4
E40RTK15RDifference
Length / height138 mm149 mm−11 mm
Head diameter / width35 mm34 mm+1 mm
Body diameter / depth26.4 mm25.4 mm+1 mm
Weight220 g206 g+14 g

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

Why is E40R better than TK15R?

  1. Maximum output5,000 lm vs 3,200 lm+56%
  2. Maximum runtime89.5 h vs 68.3 h+31%

Why is TK15R better than E40R?

  1. Beam distance (ANSI FL1)242 m vs 490 m2×
  2. Peak beam intensity14,640 cd vs 60,020 cd4.1×
  3. Weight220 g vs 206 g+7%
Specifications

Side by side

Fenix E40RFenix E40R≈ $1107.9
Fenix TK15RFenix TK15R≈ $1208.3
Light output
Maximum output5,000 lm3,200 lm
Peak beam intensity14,640 cd60,020 cd
Beam distance (ANSI FL1)242 m490 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SFT-70
LED maker—Luminus
Number of LEDs4—
Colour temperature6,500K7,200K
Battery & charging
Battery21700 Li-ion21700 Li-ion
Battery capacity5,500 mAh—
Maximum runtime89.5 h68.3 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP68IP68
Water protection (IPx)IPx8IPx8
Body material—Aluminium
Magnetic tail / baseYes—
Size & weight
Length / height138 mm149 mm
Head diameter / width35 mm34 mm
Body diameter / depth26.4 mm25.4 mm
Weight220 g206 g
Modes & features
Brightness levels5—
SwitchRotary / scroll wheel—
StrobeYesYes
LockoutYesYes
Mode memoryYesYes
To compare: 0up to 4 models
Compare