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Best Budget Headlamp
BLACK DIAMOND Astro 300 Headlamp, AAA Powered, Dimmable, Bright, Graphite
BLACK DIAMOND• Best Value Headlamp

BLACK DIAMOND Astro 300 Headlamp – Graphite

Verified: Aug 29, 2026

BLACK DIAMOND Astro 300 is a compact 300-lumen headlamp with adjustable brightness, strobe mode, AAA battery power, and IPX4 water resistance for hiking, camping, and outdoor activities.

Discounted Offer Price
$21.49
Expert Rating
9.2/10
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Expert Analysis: Pros & Cons

What We Like

  • •300-lumen output
  • •Lightweight at approximately 2.56 oz
  • •Compact design
  • •Adjustable brightness
  • •Dimming and strobe modes
  • •Brightness memory
  • •AAA battery compatibility
  • •Compatible with BD 1500 rechargeable battery
  • •IPX4 water resistance
  • •Good for hiking and camping
  • •Easy to carry

Drawbacks

  • •AAA batteries need replacement
  • •Rechargeable BD 1500 battery is sold separately
  • •300 lumens is less powerful than Black Diamond's premium headlamps
  • •IPX4 is splash resistant rather than fully waterproof
  • •Not the best choice for demanding technical mountaineering

The Bottom Line

"A lightweight 300-lumen headlamp that offers flexible battery options, adjustable brightness, and dependable weather resistance for everyday outdoor adventures."

Key Feature Highlights

  • 300 Lumens
  • Graphite
  • 3 AAA Batteries
  • BD 1500 Compatible
  • Dimmable
  • Strobe Mode
  • Brightness Memory
  • IPX4
  • LED
  • 55m Light Path
  • 2.56 oz
  • Compact
  • Hiking & Camping

Product Overview & Review

The BLACK DIAMOND Astro 300 Headlamp is a compact and versatile lighting solution for hiking, camping, backpacking, running, and emergency use. With a maximum output of 300 lumens, it provides practical illumination for navigating trails, setting up camp, or handling tasks in low-light conditions. The headlamp features adjustable brightness and strobe modes, allowing users to control the amount of light according to their surroundings. Its brightness memory can help return to the previous setting without starting at maximum output every time. The Astro 300 is powered by three AAA batteries and is also compatible with Black Diamond's BD 1500 rechargeable battery. This gives users the flexibility to use easily available disposable batteries or switch to a rechargeable power option. Its compact polycarbonate construction weighs approximately 2.56 ounces, making it comfortable for extended use. The IPX4 water-resistant design helps protect the headlamp against splashing water and light rain. Key Features: 300-lumen maximum output Graphite color AAA battery powered Compatible with BD 1500 rechargeable battery Adjustable brightness Dimming and strobe modes Brightness memory IPX4 water resistance Compact lightweight design LED light source Head-mounted design Suitable for hiking, camping, running and backpacking The product specifications identify the Astro 300 as model BD620674, with a maximum output of 300 lumens, approximately 2.56-ounce weight, and 55-meter light path.