Black Diamond Deploy 325 vs Nitecore NU40

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

Black Diamond Deploy 325 is the lighter option — 44 g lighter than the Nitecore NU40 (52% less weight). If grams matter to you, that is the one to beat.

Spec	Black Diamond Deploy 325	Nitecore NU40
Weight	40 g · 0.040 kg · 0.09 lb	84 g · 0.084 kg · 0.19 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.

Check price Full details →

Nitecore NU40

84 g

1000-lumen rechargeable headlamp with dual light sources.

Full details →

Black Diamond Deploy 325 vs Nitecore NU40: which should you buy?

If saving weight is your priority, the Black Diamond Deploy 325 wins — at 40 g it is 44 g (52%) lighter than the Nitecore NU40 (84 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.

More lighting comparisons

Black Diamond Deploy 325 vs Petzl e+LITE Black Diamond Deploy 325 vs Petzl Bindi Black Diamond Deploy 325 vs Petzl Bindi Headlamp Black Diamond Deploy 325 vs Black Diamond Deploy 325 Headlamp Black Diamond Deploy 325 vs Fenix HL18R-T Black Diamond Deploy 325 vs Petzl Swift LT Headlamp