Fenix HL18R-T vs Petzl Actik Core

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

Fenix HL18R-T is the lighter option — 53 g lighter than the Petzl Actik Core (56% less weight). If grams matter to you, that is the one to beat.

Spec	Fenix HL18R-T	Petzl Actik Core
Weight	42 g · 0.042 kg · 0.09 lb	95 g · 0.095 kg · 0.21 lb
Brand	Fenix	Petzl
Category	Lighting	Lighting

Fenix HL18R-T

42 g

Ultralight 500-lumen rechargeable headlamp for trail running.

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Petzl Actik Core

95 g

450-lumen rechargeable headlamp. AAA battery backup.

Full details →

Fenix HL18R-T vs Petzl Actik Core: which should you buy?

If saving weight is your priority, the Fenix HL18R-T wins — at 42 g it is 53 g (56%) lighter than the Petzl Actik Core (95 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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