The Black Diamond Astro 300-R is a rechargeable headlamp designed to keep your hands free while you set up camp, navigate trails after dark, or tackle chores around the site. With three brightness settings and a splash-resistant design, it’s built for typical outdoor use where you need reliable light without fuss.
Weighing just 75 grams, the Astro 300-R won’t weigh you down on late-night hikes or long backpacking trips. It offers up to 300 lumens on high for illuminating the trail ahead, 150 lumens on medium for close-in tasks, and a low 6-lumen mode to preserve night vision or extend battery life. The built-in 1500 mAh rechargeable battery means you can top it up via USB and avoid carrying spare cells, and the IPX4 rating shields it from splashes and light rain.
Brightness is measured in lumens, which indicate how much light the lamp puts out—a higher lumen count lets you see farther, with a maximum beam distance of 55 meters on high. The 1500 mAh (milliamp-hour) battery capacity describes how much charge it holds; here it delivers around 6 hours of light on the brightest setting or up to 140 hours when dimmed to the lowest level. IPX4 means the lamp resists water splashing from any angle but isn’t meant for full submersion.
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Black Diamond says about the Astro 300-R Headlamp
Small enough to bring just in case, but bright enough to light the way down unexpected rappels and dark trails, the Astro 300 R is a fully rechargeable light featuring a compact body that is ergonomic with a low profile for better balance. In addition, the updated optical efficiency provides brighter light at 300 lumens. Powered by our BD 1500 Li-ion battery that?s charged by a micro USB, the Astro 300 R also features a sustainably made elastic headband with Repreve recycled textiles. The Astro's dimming and strobe modes let you customize the lighting to your needs, and the highly weather resistant housing withstands rain and sleet from any angle.