Black Diamond Deploy 325 Headlamp vs Nitecore NU25 UL 400
Weight and specs compared for 2026 — and which one to choose.
Ultra-compact 40g headlamp with 325-lumen output. Folds flat for easy storage in a pocket or pack lid. USB-C rechargeable. Best-in-class weight for a capable tr...
Check price Full details →Ultralight 48g headlamp with 400-lumen max output and dual red-light modes. USB-C fast charging, IP66 rated. Excellent balance of weight, brightness, and batter...
Check price Full details →Black Diamond Deploy 325 Headlamp vs Nitecore NU25 UL 400: which should you buy?
If saving weight is your priority, the Black Diamond Deploy 325 Headlamp wins — at 40 g it is 8 g (17%) lighter than the Nitecore NU25 UL 400 (48 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.