BioLite Range 400 vs Flextail Tiny Helio 600Z Headlamp
Weight and specs compared for 2026 — and which one to choose.
USB-C rechargeable headlamp with 400 lumens, IP67 rating and fast charging that adds an hour of run time in eight minutes.
Full details →Lightweight 600 lumen headlamp with battery included. Full weight 59.5g.
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BioLite Range 400 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 15 g (20%) lighter than the BioLite Range 400 (75 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.