Black Diamond Storm 500-R vs Fenix HL18R-T

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

Fenix HL18R-T is the lighter option — 69 g lighter than the Black Diamond Storm 500-R (62% less weight). If grams matter to you, that is the one to beat.

Spec	Black Diamond Storm 500-R	Fenix HL18R-T
Weight	111 g · 0.111 kg · 0.24 lb	42 g · 0.042 kg · 0.09 lb
Brand	Black Diamond	Fenix
Category	Lighting	Lighting

Black Diamond Storm 500-R

111 g

Rechargeable 500-lumen headlamp with waterproof design.

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Fenix HL18R-T

42 g

Ultralight 500-lumen rechargeable headlamp for trail running.

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Black Diamond Storm 500-R vs Fenix HL18R-T: which should you buy?

If saving weight is your priority, the Fenix HL18R-T wins — at 42 g it is 69 g (62%) 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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