Black Diamond Cosmo Headlamp

(1 Review) sku# 84411
Black Diamond - Cosmo Headlamp
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Product Info

The Black Diamond Cosmo Headlamp is the go-anywhere do-anything headlamp you need for your busy and active lifestyle. No need to break the bank on an expensive headlamp, the Cosmo is a feature packed light offering the functions you need in a reliable package that's priced to please. With one DoublePower dimmable LED and two SinglePower dimmable LEDs, you can match your headlamp output to your lighting needs. Don't let the sun go down on your fun, check out the Black Diamond Cosmo Headlamp.

Product Details


1 DoublePower LED

2 SinglePower white LEDs

1 SinglePower red LED

Max DistancesDoublePower LED: 40 meters (131 feet) / SinglePower LEDs: 25 meters (82 feet)


Adjustable head strap


3 AAA (included)

Max Burn TimesDoublePower LED 150 hours / SinglePower LEDs 250 hours


Full strength in proximity and distance modes



Red Night-VisionThe red night-vision mode has proximity and strobe settings, and activates without cycling through the white modes

Additional Features

IPX Rating4: Protected against splashing or sprayed water from any angle


  • Light Output (lm): 70
  • Weight (g): 90
  • Rechargeable: No
  • Warranty: 3 Years



by PowerReviews
Black Diamond Cosmo Headlamp

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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Light and Bright


from Tacoma, WA

About Me Avid Cyclist


  • Durable
  • Lightweight


    Best Uses

    • Backpacking
    • Camping

    Comments about Black Diamond Cosmo Headlamp:

    We just used this headlamp on a bike camping trip and couldn't be more stoked! The headlamp is light and durable, taking three AAA batteries (included) to light it up. The dimming feature on the lamp is awesome and was greatly appreciated by those hanging out around us. It's easy to setup, easy to adjust and a must-pack on any outdoor adventure!

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