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Black Diamond Deploy 325 vs Nitecore NU25 MCT UL

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

Black Diamond Deploy 325 is the lighter option — 7 g lighter than the Nitecore NU25 MCT UL (15% less weight). If grams matter to you, that is the one to beat.
Spec Black Diamond Deploy 325 Nitecore NU25 MCT UL
Weight 40 g · 0.040 kg · 0.09 lb 47 g · 0.047 kg · 0.10 lb
Brand Black Diamond Nitecore
Category Lighting Lighting
Black Diamond Deploy 325
40 g

Minimalist compact headlamp at just 40g. 325 lumen max output with single-button operation. Folds flat for easy stashing in hip belt pockets.

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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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Black Diamond Deploy 325 vs Nitecore NU25 MCT UL: which should you buy?

If saving weight is your priority, the Black Diamond Deploy 325 wins — at 40 g it is 7 g (15%) 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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