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- HL16 vs NU21
Fenix HL16 vs Nitecore NU21
What HL16 does better (4) and where NU21 wins (1) — every spec side by side.
Why is HL16 better than NU21?
- Peak beam intensity2,700 cd vs 840 cd3.2×
- Maximum runtime100 h vs 37 h2.7×
- Beam distance (ANSI FL1)104 m vs 58 m+79%
- Maximum output450 lm vs 360 lm+25%
Why is NU21 better than HL16?
- Weight97 g vs 44 g2.2×
Specifications
Side by side
| Light output | ||
| Maximum output | 450 lm | 360 lm |
| Peak beam intensity | 2,700 cd | 840 cd |
| Beam distance (ANSI FL1) | 104 m | 58 m |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SST-20 | — |
| LED maker | Luminus | — |
| Number of LEDs | — | 2 |
| Battery & charging | ||
| Battery | AAA | Built-in Li-ion / Li-Po |
| Battery capacity | — | 500 mAh |
| Maximum runtime | 100 h | 37 h |
| Rechargeable | — | Yes |
| USB-C charging | — | Yes |
| Battery level indicator | — | Yes |
| Build & durability | ||
| Protection rating | IP66 | IP66 |
| Water protection (IPx) | IPx6 | IPx6 |
| Submersible to | 2 m | — |
| Impact resistance (drop) | — | 1 m |
| Body material | Plastic / polymer | Plastic / polymer |
| Size & weight | ||
| Head diameter / width | 64 mm | — |
| Body diameter / depth | 48 mm | — |
| Weight | 97 g | 44 g |
| Modes & features | ||
| Brightness levels | 4 | — |
| Switch | Dual switches | — |
| SOS / beacon | Yes | Yes |
| Red light | Yes | Yes |
| Lockout | Yes | Yes |
| Mode memory | Yes | — |
| Colours | Black | — |
