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Black Diamond Storm 500-R vs Petzl Swift RL

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

Petzl Swift RL is the lighter option — 11 g lighter than the Black Diamond Storm 500-R (10% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Storm 500-R Petzl Swift RL
Weight 111 g · 0.111 kg · 0.24 lb 100 g · 0.100 kg · 0.22 lb
Brand Black Diamond Petzl
Category Lighting Lighting
Black Diamond Storm 500-R
111 g

Rechargeable 500-lumen headlamp with waterproof design.

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Petzl Swift RL
100 g

Reactive lighting 900-lumen headlamp. Auto-adjusts to conditions.

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Black Diamond Storm 500-R vs Petzl Swift RL: which should you buy?

If saving weight is your priority, the Petzl Swift RL wins — at 100 g it is 11 g (10%) 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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