How we scoreBlogAdvertise
html›body›main#compare1,339 models · updated Nov 13, 2026
  1. compoundsemi.com
  2. Compare
  3. Runner Free vs 515517

Silva Runner Free vs Underwater Kinetics 515517

What Runner Free does better (1) and where 515517 wins (1) — every spec side by side.

Silva Runner Free
Silva · 2021Runner Free
6.7Score
1 advantage≈ $50
Higher score
vs
Underwater Kinetics 515517
Underwater Kinetics · 2021515517
5.7Score
1 advantage≈ $35
4.5Brightness & throw3.0
7.3Build & durability8.8

Why is Runner Free better than 515517?

  1. Maximum output400 lm vs 100 lm4×

Why is 515517 better than Runner Free?

  1. Water protection (IPx)IPx7 vs IPx8+14%
Specifications

Side by side

Light output
Maximum output400 lm100 lm
Beam distance (ANSI FL1)80 m80 m
Light sourceLEDLED
Battery & charging
BatteryAAAAA
Number of batteries32
Maximum runtime70 h—
Battery level indicatorYes—
Build & durability
Water protection (IPx)IPx7IPx8
Submersible to—2 m
Body materialPlastic / polymerPlastic / polymer
Size & weight
Weight55 g—
Modes & features
StrobeYes—
ColoursBlackYellow, Black
To compare: 0up to 4 models
Compare