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- NU20 vs Free
Nitecore NU20 vs Silva Free
What NU20 does better (2) and where Free wins (3) — every spec side by side.
Why is NU20 better than Free?
- Maximum runtime97 h vs 35 h2.8×
- Weight38 g vs 316 g8.3×
Why is Free better than NU20?
- Maximum output360 lm vs 1,200 lm3.3×
- Beam distance (ANSI FL1)109 m vs 150 m+38%
- Water protection (IPx)IPx6 vs IPx7+17%
Specifications
Side by side
| Light output | ||
| Maximum output | 360 lm | 1,200 lm |
| Peak beam intensity | 2,963 cd | — |
| Beam distance (ANSI FL1) | 109 m | 150 m |
| Light source | LED | LED |
| Adjustable focus (zoom) | — | Yes |
| LED & beam | ||
| Colour rendering (CRI) | 90 | — |
| Battery & charging | ||
| Battery capacity | 500 mAh | — |
| Maximum runtime | 97 h | 35 h |
| Rechargeable | Yes | — |
| USB-C charging | Yes | Yes |
| Charging time | 1 h | — |
| Battery level indicator | — | Yes |
| Build & durability | ||
| Protection rating | IP66 | — |
| Water protection (IPx) | IPx6 | IPx7 |
| Impact resistance (drop) | 1 m | — |
| Body material | Plastic / polymer | Aluminium |
| Size & weight | ||
| Weight | 38 g | 316 g |
| Modes & features | ||
| Lockout | Yes | — |
| Colours | — | Black |
