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Nitecore NU35 vs Petzl Swift RL
Weight and specs compared for 2026 — and which one to choose.
Nitecore NU35 is the lighter option — 20 g lighter than the Petzl Swift RL (20% less weight). If grams matter to you, that is the one to beat.
Nitecore NU35
80 g
Dual-power 460-lumen rechargeable headlamp that runs on a built-in Li-ion pack or three AAA batteries for backup runtime.
Check price Full details →Petzl Swift RL
100 g
Reactive lighting 900-lumen headlamp. Auto-adjusts to conditions.
Full details →Nitecore NU35 vs Petzl Swift RL: which should you buy?
If saving weight is your priority, the Nitecore NU35 wins — at 80 g it is 20 g (20%) 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.