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Black Diamond Cosmo 300 Headlamp

sku# 189076
Black Diamond - Cosmo 300 Headlamp
Model Info
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Product Info

The Black Diamond Cosmo 300 Headlamp is a great workhorse headlamp to keep in a pack, toolbox, car, or simply on your head at all times. It emits up to a whopping 300 lumens and has a max range of up to 74m. That's some serious light performance, and it's all powered by just three AAA batteries beneath an IPX8 waterproof-tested chassis that can hold up to the meanest storms.

Product Details


Emits up to 300 Lumens


3 AAA Batteries


High | 74m Max Distance / 6.5hrs Burn Time

Low | 8m Max Distance / 200hrs Burn Time

SettingsFull strength in proximity and distance modes, dimming, strobe, red, green, and blue night vision and lock mode.

Red Night Vision ModeHas dimming and strobe modes and activates without cycling through the white mode.

Additional Features

IPX8Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes

Digital Lockout FeatureSafeguards against accidental use when stored in a pack or pocket.

Proposition 65 Warning for California Consumers

WarningThis product can expose you to chemicals including Bisphenol A (BPA) and Nickel, which is know to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to


  • Light Output (lm): 300
  • Weight (g): 83
  • Rechargeable: No

Other Notes

Black Diamond products can only be shipped within the United States and Canada



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