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- Cosmo 350-R vs Storm 450
Black Diamond Cosmo 350-R vs Black Diamond Storm 450
What Cosmo 350-R does better (2) and where Storm 450 wins (1) — every spec side by side.
vs
4.7Brightness & throw5.3
5.4Battery & charging9.2
6.2Build & durability4.6
5.9Features5.9
Why is Cosmo 350-R better than Storm 450?
- Weight75 g vs 120 g+60%
- Maximum runtime225 h vs 175 h+29%
Why is Storm 450 better than Cosmo 350-R?
- Maximum output375 lm vs 450 lm+20%
Specifications
Side by side
| Light output | ||
| Maximum output | 375 lm | 450 lm |
| Beam distance (ANSI FL1) | — | 100 m |
| Light source | LED | LED |
| Battery & charging | ||
| Battery | AAA | AAA |
| Number of batteries | — | 4 |
| Battery capacity | 1,500 mAh | — |
| Maximum runtime | 225 h | 175 h |
| Rechargeable | Yes | Yes |
| USB-C charging | No | — |
| Battery level indicator | Yes | — |
| Also runs on AA/AAA/CR123A | — | Yes |
| Build & durability | ||
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| Submersible to | 1 m | 1 m |
| Body material | Plastic / polymer | — |
| Size & weight | ||
| Length / height | — | 96 mm |
| Weight | 75 g | 120 g |
| Modes & features | ||
| Strobe | Yes | — |
| Red light | — | Yes |
| Green / blue / RGB light | — | Yes |
| Mode memory | — | Yes |








