← Gear database

BioLite Energy Range 400 Headlamp 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 — 15 g lighter than the BioLite Energy Range 400 Headlamp (20% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec BioLite Energy Range 400 Headlamp Flextail Tiny Helio 600Z Headlamp
Weight 75 g · 0.075 kg · 0.17 lb 60 g · 0.060 kg · 0.13 lb
Brand BioLite Energy Flextail
Category Lighting Lighting
BioLite Energy Range 400 Headlamp
75 g

400 lumens, 1634 mAh Li-ion battery, USB-C charging, IP67 rated. Best headlamp of 2025 for backpacking functionality.

Full details →
Flextail Tiny Helio 600Z Headlamp
60 g

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

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

BioLite Energy Range 400 Headlamp 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 Energy Range 400 Headlamp (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.

More lighting comparisons