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Black Diamond Spot 350-R vs Fenix HL18R-T

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

Fenix HL18R-T is the lighter option — 42 g lighter than the Black Diamond Spot 350-R (50% less weight). If grams matter to you, that is the one to beat.
Spec Black Diamond Spot 350-R Fenix HL18R-T
Weight 84 g · 0.084 kg · 0.19 lb 42 g · 0.042 kg · 0.09 lb
Brand Black Diamond Fenix
Category Lighting Lighting
Black Diamond Spot 350-R
84 g

Rechargeable 350-lumen headlamp with PowerTap.

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Fenix HL18R-T
42 g

Ultralight 500-lumen rechargeable headlamp for trail running.

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Black Diamond Spot 350-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 42 g (50%) lighter than the Black Diamond Spot 350-R (84 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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