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Nitecore NU50 vs Petzl Swift RL

Weight and specs compared for 2026 — and which one to choose.

Petzl Swift RL is the lighter option — 46 g lighter than the Nitecore NU50 (32% less weight). If grams matter to you, that is the one to beat.
Spec Nitecore NU50 Petzl Swift RL
Weight 146 g · 0.146 kg · 0.32 lb 100 g · 0.100 kg · 0.22 lb
Brand Nitecore Petzl
Category Lighting Lighting
Nitecore NU50
146 g

USB-C rechargeable headlamp with up to 1400 lumens, dual white/red LEDs and a built-in 5000mAh 21700 battery, rated IP68 with 130m throw.

Check price Full details →
Petzl Swift RL
100 g

Reactive lighting 900-lumen headlamp. Auto-adjusts to conditions.

Full details →

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Nitecore NU50 vs Petzl Swift RL: which should you buy?

If saving weight is your priority, the Petzl Swift RL wins — at 100 g it is 46 g (32%) lighter than the Nitecore NU50 (146 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest lighting page, or browse the full gear weight database.

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