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BioLite HeadLamp 400 vs RovyVon Aurora A8 Pro Keychain Flashlight

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

RovyVon Aurora A8 Pro Keychain Flashlight is the lighter option — 60 g lighter than the BioLite HeadLamp 400 (80% less weight). If grams matter to you, that is the one to beat.
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Spec BioLite HeadLamp 400 RovyVon Aurora A8 Pro Keychain Flashlight
Weight 75 g · 0.075 kg · 0.17 lb 15 g · 0.015 kg · 0.03 lb
Brand BioLite RovyVon
Category Lighting Lighting
BioLite HeadLamp 400
75 g

Rechargeable headlamp at 2.6 oz / 75g with 400 lumens maximum output and a moisture-wicking fabric strap. Front-facing tilt, USB-C charging, and weather resista...

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RovyVon Aurora A8 Pro Keychain Flashlight
15 g

Compact multi-color keychain light with UV functionality.

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BioLite HeadLamp 400 vs RovyVon Aurora A8 Pro Keychain Flashlight: which should you buy?

If saving weight is your priority, the RovyVon Aurora A8 Pro Keychain Flashlight wins — at 15 g it is 60 g (80%) lighter than the BioLite HeadLamp 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.

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