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Black Diamond Storm 500-R vs Nitecore UT27 MCT

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

Nitecore UT27 MCT is the lighter option — 37 g lighter than the Black Diamond Storm 500-R (33% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Storm 500-R Nitecore UT27 MCT
Weight 111 g · 0.111 kg · 0.24 lb 74 g · 0.074 kg · 0.16 lb
Brand Black Diamond Nitecore
Category Lighting Lighting
Black Diamond Storm 500-R
111 g

Rechargeable 500-lumen headlamp with waterproof design.

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Nitecore UT27 MCT
74 g

Ultralight trail running headlamp with 800 lumens output and three color temperature options. USB-C rechargeable with 1500mAh battery pack.

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Black Diamond Storm 500-R vs Nitecore UT27 MCT: which should you buy?

If saving weight is your priority, the Nitecore UT27 MCT wins — at 74 g it is 37 g (33%) lighter than the Black Diamond Storm 500-R (111 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.

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