Black Diamond Spot 400-R Headlamp vs Petzl Swift LT Headlamp
Weight and specs compared for 2026 — and which one to choose.
Rechargeable 400-lumen headlamp with multiple modes including red night vision. USB-C charging with IPX8 waterproof rating.
Check price Full details →Ultra-compact 900-lumen rechargeable headlamp. Lightest Petzl rechargeable model with Bluetooth app connectivity for programmable modes.
Check price Full details →Black Diamond Spot 400-R Headlamp vs Petzl Swift LT Headlamp: which should you buy?
If saving weight is your priority, the Petzl Swift LT Headlamp wins — at 43 g it is 42 g (49%) lighter than the Black Diamond Spot 400-R Headlamp (85 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.