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  3. Bilby 400 vs 515517

Knog Bilby 400 vs Underwater Kinetics 515517

What Bilby 400 does better (2) and where 515517 wins (2) — every spec side by side.

Knog Bilby 400
Knog · 2022Bilby 400
6.1Score
2 advantages≈ $30
Higher score
vs
Underwater Kinetics 515517
Underwater Kinetics · 2021515517
5.7Score
2 advantages≈ $35
5.1Brightness & throw3.0
4.3Build & durability8.8

Why is Bilby 400 better than 515517?

  1. Maximum output400 lm vs 100 lm4×
  2. Beam distance (ANSI FL1)100 m vs 80 m+25%

Why is 515517 better than Bilby 400?

  1. Submersible to1 m vs 2 m2×
  2. Water protection (IPx)IPx7 vs IPx8+14%
Specifications

Side by side

Knog Bilby 400Knog Bilby 400≈ $306.1
Light output
Maximum output400 lm100 lm
Peak beam intensity2,500 cd—
Beam distance (ANSI FL1)100 m80 m
Runtime at maximum output300 min—
Light sourceLEDLED
LED & beam
Number of LEDs5—
Battery & charging
Battery—AA
Number of batteries—2
Maximum runtime105 h—
RechargeableYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP67—
Water protection (IPx)IPx7IPx8
Submersible to1 m2 m
Body material—Plastic / polymer
Modes & features
Red lightYes—
Colours—Yellow, Black
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