2027 Black Diamond Cosmo Headlamp

The Cosmo is the kind of headlamp we'd recommend when someone wants a dependable light without paying for features they don't really need. It's bright enough for hiking back to the trailhead after dark, simple enough for camping and everyday use, and the option to switch between AAA batteries and the rechargeable BD 1500 is particularly useful when your trips don't always end near an outlet.

Consider Another Option If

Choose a more powerful headlamp if you're moving quickly through technical terrain at night, ski touring before sunrise or regularly need a longer-reaching beam. If you want rechargeable power included from the start, look for a model that includes its rechargeable battery rather than purchasing the BD 1500 separately.

• Hiking and backpacking
• Camping
• Everyday outdoor use
• Keeping in a day pack or emergency kit
• Users who want both disposable and rechargeable battery options

• 350-lumen maximum output: Provides useful illumination for hiking, camping and general outdoor use.
• Dual-Fuel power: Runs on three AAA batteries or the optional Black Diamond BD 1500 rechargeable Li-ion battery.
• Red LED: Preserves night vision and includes adjustable brightness and strobe modes.
• Dual-button interface: Makes it easier to access and adjust lighting modes.
• Mode Memory: Turns the lamp back on at your previously selected brightness.
• Multifaceted optical lens: Shapes the output into a useful all-purpose beam.
• Integrated battery meter: Makes it easier to keep track of remaining power.
• Digital Lock: Helps prevent the lamp from switching on accidentally inside your pack.
• IPX7 waterproofing: Tested to operate underwater at a depth of 1 metre for 30 minutes.
• USB-C charging with BD 1500: When the optional rechargeable battery is installed, it can be charged directly through the headlamp.