BioLite Range 300 Headlamp vs Black Diamond Spot 400-R Headlamp
Weight and specs compared for 2026 — and which one to choose.
Ultra-compact 300-lumen USB-C rechargeable headlamp weighing just 1.8 oz (51g) with multiple brightness modes and warm/white LED options.
Rechargeable 400-lumen headlamp with multiple modes including red night vision. USB-C charging with IPX8 waterproof rating.
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BioLite Range 300 Headlamp vs Black Diamond Spot 400-R Headlamp: which should you buy?
The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.
See where both rank against everything else in this category on the lightest lighting page, or browse the full gear weight database.