Nitecore NU25 MCT UL vs Petzl Swift RL
Weight and specs compared for 2026 — and which one to choose.
Ultra-minimal 400-lumen USB-C rechargeable headlamp with dual white beam temperatures and red light; among the lightest performance headlamps available.
Full details →Reactive lighting 900-lumen headlamp. Auto-adjusts to conditions.
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Nitecore NU25 MCT UL vs Petzl Swift RL: which should you buy?
If saving weight is your priority, the Nitecore NU25 MCT UL wins — at 47 g it is 53 g (53%) lighter than the Petzl Swift RL (100 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.