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Nitecore NU25 UL Headlamp vs Petzl Swift LT Headlamp
Weight and specs compared for 2026 — and which one to choose.
Petzl Swift LT Headlamp is the lighter option — 2 g lighter than the Nitecore NU25 UL Headlamp (4% less weight). If grams matter to you, that is the one to beat.
Nitecore NU25 UL Headlamp
45 g
Ultralight USB-C rechargeable headlamp with 400-lumen output and dual red-light modes. Weighs less than three AA batteries.
Check price Full details →Petzl Swift LT Headlamp
43 g
Ultra-compact 900-lumen rechargeable headlamp. Lightest Petzl rechargeable model with Bluetooth app connectivity for programmable modes.
Check price Full details →Nitecore NU25 UL Headlamp vs Petzl Swift LT Headlamp: which should you buy?
If saving weight is your priority, the Petzl Swift LT Headlamp wins — at 43 g it is 2 g (4%) lighter than the Nitecore NU25 UL Headlamp (45 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.