Nitecore NU25 UL vs Petzl Iko Core Headlamp
Weight and specs compared for 2026 — and which one to choose.
Dual-beam headlamp with white and red LEDs. Built-in rechargeable battery, IPX6 waterproof, and 400 lumens max output; ideal for ultralight hikers.
Full details →500-lumen headlamp with rechargeable CORE battery via USB. Slim profile with a flexible headband. Red lighting mode for night vision. 80g including battery.
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Nitecore NU25 UL vs Petzl Iko Core Headlamp: which should you buy?
If saving weight is your priority, the Nitecore NU25 UL wins — at 48 g it is 32 g (40%) lighter than the Petzl Iko Core Headlamp (80 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.