Black Diamond Spot 400 vs Nitecore NU25 UL 400
Weight and specs compared for 2026 — and which one to choose.
400-lumen headlamp with strobe mode and IPX8 waterproofing.
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...
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Black Diamond Spot 400 vs Nitecore NU25 UL 400: which should you buy?
If saving weight is your priority, the Nitecore NU25 UL 400 wins — at 48 g it is 47 g (49%) lighter than the Black Diamond Spot 400 (95 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.