Black Diamond Astro 300 Headlamp vs Nitecore NU50
Weight and specs compared for 2026 — and which one to choose.
Ultralight 300-lumen headlamp at only 45g. Compact waterproof design with single AAA battery; perfect for thru-hikers minimizing base weight.
Check price Full details →USB-C rechargeable headlamp with up to 1400 lumens, dual white/red LEDs and a built-in 5000mAh 21700 battery, rated IP68 with 130m throw.
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Black Diamond Astro 300 Headlamp vs Nitecore NU50: which should you buy?
If saving weight is your priority, the Black Diamond Astro 300 Headlamp wins — at 45 g it is 101 g (69%) lighter than the Nitecore NU50 (146 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.