Fenix HL18R-T vs Fenix HM50R V2.0

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

Fenix HL18R-T is the lighter option — 36 g lighter than the Fenix HM50R V2.0 (46% less weight). If grams matter to you, that is the one to beat.

Spec	Fenix HL18R-T	Fenix HM50R V2.0
Weight	42 g · 0.042 kg · 0.09 lb	78 g · 0.078 kg · 0.17 lb
Brand	Fenix	Fenix
Category	Lighting	Lighting

Fenix HL18R-T

42 g

Ultralight 500-lumen rechargeable headlamp for trail running.

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Fenix HM50R V2.0

78 g

Compact 700-lumen rechargeable headlamp running a 16340 cell, weight including battery.

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Fenix HL18R-T vs Fenix HM50R V2.0: which should you buy?

If saving weight is your priority, the Fenix HL18R-T wins — at 42 g it is 36 g (46%) lighter than the Fenix HM50R V2.0 (78 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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