Fenix HL18R-T vs Nitecore NU27

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

Fenix HL18R-T is the lighter option — 14 g lighter than the Nitecore NU27 (25% less weight). If grams matter to you, that is the one to beat.

Spec	Fenix HL18R-T	Nitecore NU27
Weight	42 g · 0.042 kg · 0.09 lb	56 g · 0.056 kg · 0.12 lb
Brand	Fenix	Nitecore
Category	Lighting	Lighting

Fenix HL18R-T

42 g

Ultralight 500-lumen rechargeable headlamp for trail running.

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Nitecore NU27

56 g

600-lumen rechargeable headlamp with 3 color temperatures (3000K/4500K/6500K). USB-C charging, IP66 waterproof, 123m beam distance. Ultralight at 56g.

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Fenix HL18R-T vs Nitecore NU27: which should you buy?

If saving weight is your priority, the Fenix HL18R-T wins — at 42 g it is 14 g (25%) lighter than the Nitecore NU27 (56 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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