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Flextail Tiny Helio 600Z Headlamp vs Nitecore NU25 MCT UL

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

Nitecore NU25 MCT UL is the lighter option — 13 g lighter than the Flextail Tiny Helio 600Z Headlamp (22% less weight). If grams matter to you, that is the one to beat.
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Spec Flextail Tiny Helio 600Z Headlamp Nitecore NU25 MCT UL
Weight 60 g · 0.060 kg · 0.13 lb
including battery and headband
47 g · 0.047 kg · 0.10 lb
as listed, bracket and headband included
Brand Flextail Nitecore
Category Lighting Lighting
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 →
Nitecore NU25 MCT UL
47 g

Ultra-minimal 400-lumen USB-C rechargeable headlamp with dual white beam temperatures and red light; among the lightest performance headlamps available.

See it in your base weight → Full details →

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Flextail Tiny Helio 600Z Headlamp vs Nitecore NU25 MCT UL: which should you buy?

If saving weight is your priority, the Nitecore NU25 MCT UL wins — at 47 g it is 13 g (22%) lighter than the Flextail Tiny Helio 600Z Headlamp (60 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.

More lighting comparisons