How many hours should the Solar LED Rock Spotlight be charged before the first use? Calvin Chiu June 05, 2023 02:39 Updated Allow the Solar LED Rock Spotlight to charge in direct sunlight for at least 8 hours before the first use. Related articles Is the Solar LED Rock Spotlight made of plastic or metal? Can the batteries be changed and what size? Does the Rock Light drain more battery if on 5000K vs. 3000K? Comments 0 comments Article is closed for comments.