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BioLite Range 300 Headlamp vs Nitecore NU21

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

Nitecore NU21 is the lighter option — 7 g lighter than the BioLite Range 300 Headlamp (14% less weight). If grams matter to you, that is the one to beat.
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Spec BioLite Range 300 Headlamp Nitecore NU21
Weight 51 g · 0.051 kg · 0.11 lb 44 g · 0.044 kg · 0.10 lb
as listed, bracket and headband included, built-in battery
Brand BioLite Nitecore
Category Lighting Lighting
BioLite Range 300 Headlamp
51 g

Ultra-compact 300-lumen USB-C rechargeable headlamp weighing just 1.8 oz (51g) with multiple brightness modes and warm/white LED options.

See it in your base weight → Full details →
Nitecore NU21
44 g

Ultralight USB-C rechargeable headlamp with 360-lumen white and auxiliary red beams, built for running and minimalist hiking.

See it in your base weight → Full details →

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BioLite Range 300 Headlamp vs Nitecore NU21: which should you buy?

If saving weight is your priority, the Nitecore NU21 wins — at 44 g it is 7 g (14%) lighter than the BioLite Range 300 Headlamp (51 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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