Black Diamond Cosmo 350 Headlamp


Patagonia Pant Size Chart

The Cosmo Rechargeable headlamp from Black Diamond is perfect for camping, around the house, and or any outdoor adventure that requires a simple light. Features an all-purpose beam as well as night vision. This Headlamp can be recharged or can be run on alkaline batteries if caught away from a power source during a longer backpacking trip. The Cosmo 350 headlamp will run for 5 hours on the max setting and is waterproof up to 1 meter.

*Due to the li-ion battery this item must ship ground*


  • Dual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibility
  • 350 Lumen max output
  • Red LED night vision has dimming and strobe modes and is quickly activated with a dual-button interface
  • Settings include dimming, strobe, red night-vision, and lock mode
  • Multifaceted optical lens design
  • IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate; it should be completely dried out after use in wet conditions
  • Integrated battery meter display shows % of power remaining
  • Digital lock mode feature safeguards against accidental use when stored in a pack or pocket