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- K4R vs Eco Run
Ledlenser K4R vs Troika Eco Run
What K4R does better (1) and where Eco Run wins (0) — every spec side by side.
Dimensions
Size comparison
K4REco Run
| K4R | Eco Run | Difference | |
|---|---|---|---|
| Length / height | 50.8 mm | 35 mm | +15.8 mm |
| Head diameter / width | 22 mm | 25 mm | −3 mm |
| Weight | 20 g | 32 g | −12 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K4R better than Eco Run?
- Weight20 g vs 32 g+62%
Why is Eco Run better than K4R?
Eco Run has no measurable advantages in this pair.
Specifications
Side by side
| Light output | ||
| Maximum output | 120 lm | — |
| Peak beam intensity | 2,450 cd | — |
| Beam distance (ANSI FL1) | 99 m | — |
| Light source | LED | LED |
| Battery & charging | ||
| Battery | Built-in Li-ion / Li-Po | Built-in Li-ion / Li-Po |
| Maximum runtime | 3.5 h | — |
| Rechargeable | Yes | Yes |
| Build & durability | ||
| Protection rating | IP2X | — |
| Body material | Aluminium | Aluminium |
| Size & weight | ||
| Length / height | 50.8 mm | 35 mm |
| Head diameter / width | 22 mm | 25 mm |
| Weight | 20 g | 32 g |
