Solar Garden Fountain for 2.5W with 800mAh Backup Battery, Solar Powered Water Fountain Pump for Birdbath, Garden Pond, Outdoor Pool Constant Flow Solar Fountain with Battery Backup - Our 2.5W solar panel and 800mAh battery are more powerful than other solar fountains, and our fountain can store electricity in the battery. When the sun is shining, the excess electricity will be stored in the battery, ensuring the fountain has a constant flow, it will continue to run smoothly intermittently! (Even the sun is weak) Solar panel circuit upgrade - Even if the solar panel is blocked by 3-4 pieces, our solar fountain still works with constant flow (other solar fountains will not work High Quality Laminated Solar Panel - Unlike other solar fountains using the inferior epoxy panel, we use high quality solar laminates that won't break, warp or warp , won't peel off and last longer.Idling and jam protection - When the fountain is not in the water or the pump is blocked by impurities, the pump will stop automatically to operate, prevents the pump from drying out and causing burns, and prolongs the life of the fountain. (When the fountain does not work, please check whether the water is sufficient, or disassemble the pump and clean it.) Note: The data is manual measurement, please allow error 1-9cm, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.