Thank you for your review. When fully charged, these lights produce a decorative 5 lumen glow. If you require much brighter and longer lasting light, we would suggest low-voltage lighting. Low-voltage lighting offers much brighter and consistent light output since it uses electricity as opposed to rechargeable batteries. Please make sure that the lights are located in an area that receives full, direct sunlight for at least 8 hours per day. If you feel the lights are not operating properly, please call Hampton Bay customer service at 1-855-HD-HAMPTON (1-855-434-2678) and one of the team members will be able to troubleshoot and resolve the issue.