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Black Diamond Deploy 325 vs Fenix HM50R V2.0

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

Black Diamond Deploy 325 is the lighter option — 38 g lighter than the Fenix HM50R V2.0 (49% less weight). If grams matter to you, that is the one to beat.
Spec Black Diamond Deploy 325 Fenix HM50R V2.0
Weight 40 g · 0.040 kg · 0.09 lb 78 g · 0.078 kg · 0.17 lb
Brand Black Diamond Fenix
Category Lighting Lighting
Black Diamond Deploy 325
40 g

Minimalist compact headlamp at just 40g. 325 lumen max output with single-button operation. Folds flat for easy stashing in hip belt pockets.

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Fenix HM50R V2.0
78 g

Compact 700-lumen rechargeable headlamp running a 16340 cell, weight including battery.

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Black Diamond Deploy 325 vs Fenix HM50R V2.0: which should you buy?

If saving weight is your priority, the Black Diamond Deploy 325 wins — at 40 g it is 38 g (49%) lighter than the Fenix HM50R V2.0 (78 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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