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  3. Cosmo 350-R vs Bilby 400

Black Diamond Cosmo 350-R vs Knog Bilby 400

What Cosmo 350-R does better (0) and where Bilby 400 wins (1) — every spec side by side.

Black Diamond Cosmo 350-R
Black Diamond · 2022Cosmo 350-R
4.5Score
0 advantages≈ $35
vs
Knog Bilby 400
Knog · 2022Bilby 400
5.6Score
1 advantage≈ $30
Higher score
3.5Brightness & throw4.8
5.9Build & durability4.2

Why is Cosmo 350-R better than Bilby 400?

Cosmo 350-R has no measurable advantages in this pair.

Why is Bilby 400 better than Cosmo 350-R?

  1. Maximum output350 lm vs 400 lm+14%
Specifications

Side by side

Knog Bilby 400Knog Bilby 400≈ $305.6
Light output
Maximum output350 lm400 lm
Peak beam intensity—2,500 cd
Beam distance (ANSI FL1)—100 m
Runtime at maximum output—300 min
Light sourceLEDLED
LED & beam
Number of LEDs—5
Battery & charging
BatteryAAA—
Maximum runtime—105 h
Rechargeable—Yes
Battery level indicatorYesYes
Build & durability
Protection rating—IP67
Water protection (IPx)IPx7IPx7
Submersible to—1 m
Body materialPlastic / polymer—
Modes & features
StrobeYes—
Red light—Yes
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