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- Cosmo 350-R vs NU21
Black Diamond Cosmo 350-R vs Nitecore NU21
What Cosmo 350-R does better (1) and where NU21 wins (1) — every spec side by side.
vs
3.5Brightness & throw2.8
5.9Build & durability5.4
Why is Cosmo 350-R better than NU21?
- Water protection (IPx)IPx7 vs IPx6+17%
Why is NU21 better than Cosmo 350-R?
- Maximum output350 lm vs 360 lm+3%
Specifications
Side by side
| Light output | ||
| Maximum output | 350 lm | 360 lm |
| Peak beam intensity | — | 840 cd |
| Beam distance (ANSI FL1) | — | 58 m |
| Light source | LED | LED |
| LED & beam | ||
| Number of LEDs | — | 2 |
| Battery & charging | ||
| Battery | AAA | Built-in Li-ion / Li-Po |
| Battery capacity | — | 500 mAh |
| Maximum runtime | — | 37 h |
| Rechargeable | — | Yes |
| USB-C charging | — | Yes |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | — | IP66 |
| Water protection (IPx) | IPx7 | IPx6 |
| Impact resistance (drop) | — | 1 m |
| Body material | Plastic / polymer | Plastic / polymer |
| Size & weight | ||
| Weight | — | 44 g |
| Modes & features | ||
| Strobe | Yes | — |
| SOS / beacon | — | Yes |
| Red light | — | Yes |
| Lockout | — | Yes |
