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- NU33 vs Runner Free
Nitecore NU33 vs Silva Runner Free
What NU33 does better (3) and where Runner Free wins (1) — every spec side by side.
vs
6.7Brightness & throw4.5
8.0Battery & charging6.4
5.2Build & durability7.3
5.9Features5.9
Why is NU33 better than Runner Free?
- Maximum output700 lm vs 400 lm+75%
- Beam distance (ANSI FL1)135 m vs 80 m+69%
- Maximum runtime147 h vs 70 h2.1×
Why is Runner Free better than NU33?
- Weight96 g vs 55 g+75%
Specifications
Side by side
| Light output | ||
| Maximum output | 700 lm | 400 lm |
| Peak beam intensity | 4,578 cd | — |
| Beam distance (ANSI FL1) | 135 m | 80 m |
| Light source | LED | LED |
| LED & beam | ||
| Colour rendering (CRI) | 90 | — |
| Battery & charging | ||
| Battery | AAA | AAA |
| Number of batteries | — | 3 |
| Battery capacity | 2,000 mAh | — |
| Maximum runtime | 147 h | 70 h |
| Rechargeable | Yes | — |
| USB-C charging | Yes | — |
| Charging time | 1 h | — |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | IP66 | — |
| Water protection (IPx) | IPx7 | IPx7 |
| Impact resistance (drop) | 1 m | — |
| Body material | Aluminium | Plastic / polymer |
| Size & weight | ||
| Weight | 96 g | 55 g |
| Modes & features | ||
| Strobe | — | Yes |
| SOS / beacon | Yes | — |
| Red light | Yes | — |
| Lockout | Yes | — |
| Colours | Black | Black |
