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Black Diamond Spot 400-R Headlamp vs Fenix HM65R

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

Black Diamond Spot 400-R Headlamp is the lighter option — 17 g lighter than the Fenix HM65R (17% less weight). If grams matter to you, that is the one to beat.
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Spec Black Diamond Spot 400-R Headlamp Fenix HM65R
Weight 85 g · 0.085 kg · 0.19 lb 102 g · 0.102 kg · 0.22 lb
Brand Black Diamond Fenix
Category Lighting Lighting
Black Diamond Spot 400-R Headlamp
85 g

Rechargeable 400-lumen headlamp with multiple modes including red night vision. USB-C charging with IPX8 waterproof rating.

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Fenix HM65R
102 g

Dual-light 1400-lumen rechargeable headlamp.

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Black Diamond Spot 400-R Headlamp vs Fenix HM65R: which should you buy?

If saving weight is your priority, the Black Diamond Spot 400-R Headlamp wins — at 85 g it is 17 g (17%) lighter than the Fenix HM65R (102 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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