Black Diamond Astro 300 Headlamp vs Olight Perun 2 Mini

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

Black Diamond Astro 300 Headlamp is the lighter option — 9 g lighter than the Olight Perun 2 Mini (17% less weight). If grams matter to you, that is the one to beat.

Spec	Black Diamond Astro 300 Headlamp	Olight Perun 2 Mini
Weight	45 g · 0.045 kg · 0.10 lb	54 g · 0.054 kg · 0.12 lb
Brand	Black Diamond	Olight
Category	Lighting	Lighting

Black Diamond Astro 300 Headlamp

45 g

Ultralight 300-lumen headlamp at only 45g. Compact waterproof design with single AAA battery; perfect for thru-hikers minimizing base weight.

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Olight Perun 2 Mini

54 g

Compact right-angle rechargeable headlamp with up to 1100 lumens, white and red light, and magnetic charging.

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Black Diamond Astro 300 Headlamp vs Olight Perun 2 Mini: which should you buy?

If saving weight is your priority, the Black Diamond Astro 300 Headlamp wins — at 45 g it is 9 g (17%) lighter than the Olight Perun 2 Mini (54 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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