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Nitecore NU25 MCT UL vs Petzl Swift LT Headlamp

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

Petzl Swift LT Headlamp is the lighter option — 4 g lighter than the Nitecore NU25 MCT UL (9% less weight). If grams matter to you, that is the one to beat.
Spec Nitecore NU25 MCT UL Petzl Swift LT Headlamp
Weight 47 g · 0.047 kg · 0.10 lb 43 g · 0.043 kg · 0.09 lb
Brand Nitecore Petzl
Category Lighting Lighting
Nitecore NU25 MCT UL
47 g

Ultra-minimal 400-lumen USB-C rechargeable headlamp with dual white beam temperatures and red light; among the lightest performance headlamps available.

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Petzl Swift LT Headlamp
43 g

Ultra-compact 900-lumen rechargeable headlamp. Lightest Petzl rechargeable model with Bluetooth app connectivity for programmable modes.

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Nitecore NU25 MCT UL 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 4 g (9%) lighter than the Nitecore NU25 MCT UL (47 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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