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- NU31 vs NU33
Nitecore NU31 vs Nitecore NU33
What NU31 does better (2) and where NU33 wins (3) — every spec side by side.
Why is NU31 better than NU33?
- Beam distance (ANSI FL1)145 m vs 135 m+7%
- Peak beam intensity5,260 cd vs 4,578 cd+15%
Why is NU33 better than NU31?
- Maximum output550 lm vs 700 lm+27%
- Water protection (IPx)IPx6 vs IPx7+17%
- Battery capacity1,800 mAh vs 2,000 mAh+11%
Specifications
Side by side
| Light output | ||
| Maximum output | 550 lm | 700 lm |
| Peak beam intensity | 5,260 cd | 4,578 cd |
| Beam distance (ANSI FL1) | 145 m | 135 m |
| Light source | LED | LED |
| LED & beam | ||
| Number of LEDs | 4 | — |
| Colour rendering (CRI) | — | 90 |
| Battery & charging | ||
| Battery | — | AAA |
| Battery capacity | 1,800 mAh | 2,000 mAh |
| Maximum runtime | 147 h | 147 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Charging time | — | 1 h |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | IP66 | IP66 |
| Water protection (IPx) | IPx6 | IPx7 |
| Submersible to | 2 m | — |
| Impact resistance (drop) | — | 1 m |
| Body material | Aluminium | Aluminium |
| Size & weight | ||
| Head diameter / width | 130 mm | — |
| Weight | 96 g | 96 g |
| Modes & features | ||
| Strobe | Yes | — |
| SOS / beacon | Yes | Yes |
| Red light | Yes | Yes |
| Lockout | Yes | Yes |
| Colours | — | Black |
