Fenix HM65R-T V2.0 vs Olight Perun 3 Rechargeable Headlamp
Weight and specs compared for 2026 — and which one to choose.
Rechargeable headlamp with 1600 lumens maximum output. Magnesium construction, USB-C charging, and multiple brightness modes for trail running and hiking.
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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Fenix HM65R-T V2.0 vs Olight Perun 3 Rechargeable Headlamp: which should you buy?
If saving weight is your priority, the Fenix HM65R-T V2.0 wins — at 91 g it is 59 g (39%) 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.