Nitecore NU20 Classic 360 vs Olight Perun 3 Rechargeable Headlamp
Weight and specs compared for 2026 — and which one to choose.
Ultralight headlamp under 2 ounces with 360 lumens output, 500 mAh battery, and USB charging. Best value ultralight headlamp option at $25.
Full details →Rechargeable headlamp with 3000 lumens output, white and red light modes. Waterproof (IP68), weighs 150g, features magnetic tailcap and long runtime for camping...
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Nitecore NU20 Classic 360 vs Olight Perun 3 Rechargeable Headlamp: which should you buy?
If saving weight is your priority, the Nitecore NU20 Classic 360 wins — at 37 g it is 113 g (75%) lighter than the Olight Perun 3 Rechargeable Headlamp (150 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.