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Fenix HL18R-T vs Flextail Tiny Helio 600Z Headlamp

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

Flextail Tiny Helio 600Z Headlamp is the lighter option — 3 g lighter than the Fenix HL18R-T (5% less weight). If grams matter to you, that is the one to beat.
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Spec Fenix HL18R-T Flextail Tiny Helio 600Z Headlamp
Weight 63 g · 0.063 kg · 0.14 lb
including headband, excluding battery
60 g · 0.060 kg · 0.13 lb
including battery and headband
Brand Fenix Flextail
Category Lighting Lighting
Fenix HL18R-T
63 g

Ultralight 500-lumen rechargeable headlamp for trail running.

See it in your base weight → Full details →
Flextail Tiny Helio 600Z Headlamp
60 g

Lightweight 600 lumen headlamp with battery included. Full weight 59.5g.

See it in your base weight → Full details →

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Fenix HL18R-T vs Flextail Tiny Helio 600Z Headlamp: which should you buy?

If saving weight is your priority, the Flextail Tiny Helio 600Z Headlamp wins — at 60 g it is 3 g (5%) lighter than the Fenix HL18R-T (63 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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