BioLite HeadLamp 400 vs Petzl Iko Core Headlamp
Weight and specs compared for 2026 — and which one to choose.
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...
Check price Full details →500-lumen headlamp with rechargeable CORE battery via USB. Slim profile with a flexible headband. Red lighting mode for night vision. 80g including battery.
Check price Full details →BioLite HeadLamp 400 vs Petzl Iko Core Headlamp: which should you buy?
If saving weight is your priority, the BioLite HeadLamp 400 wins — at 75 g it is 5 g (6%) lighter than the Petzl Iko Core Headlamp (80 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.