Feel free to post any links that could help users find, compare, assess, or purchase equipment. Provide a brief description of the site linked. Links to previous Cavechat topics that could be particularly helpful are also welcome.
Zebralight - Source for lightweight headlamps from single AA to 123 to 18650 cell powered and from 100 to 750 lumen max output.
Caving Headlamp List with specs - Created by James Mooreshire.