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- NU21 vs SWIFT LT
Nitecore NU21 vs Petzl SWIFT LT
What NU21 does better (0) and where SWIFT LT wins (6) — every spec side by side.
Why is NU21 better than SWIFT LT?
NU21 has no measurable advantages in this pair.
Why is SWIFT LT better than NU21?
- Battery capacity500 mAh vs 880 mAh+76%
- Maximum runtime37 h vs 60 h+62%
- Beam distance (ANSI FL1)58 m vs 70 m+21%
- Peak beam intensity840 cd vs 1,220 cd+45%
- Maximum output360 lm vs 380 lm+6%
- Weight44 g vs 43 g+2%
Specifications
Side by side
| Light output | ||
| Maximum output | 360 lm | 380 lm |
| Peak beam intensity | 840 cd | 1,220 cd |
| Beam distance (ANSI FL1) | 58 m | 70 m |
| Runtime at maximum output | — | 120 min |
| Light source | LED | LED |
| LED & beam | ||
| Number of LEDs | 2 | — |
| Battery & charging | ||
| Battery | Built-in Li-ion / Li-Po | Built-in Li-ion / Li-Po |
| Battery capacity | 500 mAh | 880 mAh |
| Maximum runtime | 37 h | 60 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Charging time | — | 3 h |
| Battery level indicator | Yes | — |
| Build & durability | ||
| Protection rating | IP66 | — |
| Water protection (IPx) | IPx6 | — |
| Impact resistance (drop) | 1 m | — |
| Body material | Plastic / polymer | Plastic / polymer |
| Size & weight | ||
| Weight | 44 g | 43 g |
| Modes & features | ||
| Strobe | — | Yes |
| SOS / beacon | Yes | — |
| Red light | Yes | — |
| Lockout | Yes | — |
