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Nitecore NU40 vs UCO Firefly Lantern

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

Nitecore NU40 is the lighter option — 256 g lighter than the UCO Firefly Lantern (75% less weight). If grams matter to you, that is the one to beat.
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Spec Nitecore NU40 UCO Firefly Lantern
Weight 84 g · 0.084 kg · 0.19 lb 340 g · 0.340 kg · 0.75 lb
Brand Nitecore UCO
Category Lighting Lighting
Nitecore NU40
84 g

1000-lumen rechargeable headlamp with dual light sources.

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UCO Firefly Lantern
340 g

Collapsible candle lantern. Classic camp ambience.

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Nitecore NU40 vs UCO Firefly Lantern: which should you buy?

If saving weight is your priority, the Nitecore NU40 wins — at 84 g it is 256 g (75%) lighter than the UCO Firefly Lantern (340 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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