Black Diamond Deploy 325 vs Petzl Swift LT
Weight and specs compared for 2026 — and which one to choose.
Minimalist compact headlamp at just 40g. 325 lumen max output with single-button operation. Folds flat for easy stashing in hip belt pockets.
Check price Full details →Ultra-compact USB-C rechargeable headlamp with 380 lumens and red night-vision mode. Made with 50% recycled materials. IPX4 rain resistant.
Check price Full details →Black Diamond Deploy 325 vs Petzl Swift LT: which should you buy?
If saving weight is your priority, the Black Diamond Deploy 325 wins — at 40 g it is 3 g (7%) lighter than the Petzl Swift LT (43 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.