How we scoreBlogAdvertise
html›body›main#compare1,338 models · updated Nov 10, 2026
  1. compoundsemi.com
  2. Compare
  3. L18 vs C7

Acebeam L18 vs Fenix C7

What L18 does better (2) and where C7 wins (1) — every spec side by side.

Acebeam L18
Acebeam · 2021L18
2 advantages≈ $90
vs
Fenix C7
Fenix · 2021C7
7.1Score
1 advantage≈ $80
Higher score
8.3Brightness & throw8.0
Dimensions

Size comparison

L18C7
52.2 × 15425.440 × 14927
L18C7Difference
Length / height154 mm149 mm+5 mm
Head diameter / width52.2 mm40 mm+12.2 mm
Body diameter / depth25.4 mm27 mm−1.6 mm

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

Why is L18 better than C7?

  1. Beam distance (ANSI FL1)1,000 m vs 470 m2.1×
  2. Peak beam intensity250,000 cd vs 55,220 cd4.5×

Why is C7 better than L18?

  1. Maximum output1,500 lm vs 3,000 lm2×
Specifications

Side by side

Fenix C7Fenix C7≈ $807.1
Light output
Maximum output1,500 lm3,000 lm
Peak beam intensity250,000 cd55,220 cd
Beam distance (ANSI FL1)1,000 m470 m
Light sourceLEDLED
LED & beam
LED emitter—Luminus SST-70
LED maker—Luminus
Battery & charging
Battery—21700 Li-ion
Battery capacity—5,000 mAh
Maximum runtime—68 h
Rechargeable—Yes
USB-C charging—Yes
Charging time—3 h
Battery level indicator—Yes
Build & durability
Impact resistance (drop)—1 m
Body material—Aluminium
Magnetic tail / base—Yes
Size & weight
Length / height154 mm149 mm
Head diameter / width52.2 mm40 mm
Body diameter / depth25.4 mm27 mm
Weight—172 g
Modes & features
Brightness levels—5
Switch—Tail switch
Strobe—Yes
SOS / beacon—Yes
Colours—Black
To compare: 0up to 4 models
Compare