BioLite Range 500 Headlamp vs Black Diamond Deploy 325 Headlamp
Weight and specs compared for 2026 — and which one to choose.
Ultra-lightweight 500 lumen headlamp with 3D SlimFit design, weighs just 75g with integrated rechargeable battery.
Check price Full details →Ultra-compact 40g headlamp with 325-lumen output. Folds flat for easy storage in a pocket or pack lid. USB-C rechargeable. Best-in-class weight for a capable tr...
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BioLite Range 500 Headlamp vs Black Diamond Deploy 325 Headlamp: which should you buy?
If saving weight is your priority, the Black Diamond Deploy 325 Headlamp wins — at 40 g it is 35 g (47%) lighter than the BioLite Range 500 Headlamp (75 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.