Sunnydaze Pineapple 2-Tier Solar Powered Fountain with Battery Backup Fountain - 33"This pineapple topped solar powered tiered fountain is a great way to welcome guests to your home. The soothing water sounds will add a relaxing feeling to your outdoor space. In good sunlight, the pump is powered by the solar panel while the battery pack collects and stores a charge. If it is cloudy or nighttime, the battery activates and provides power; when fully charged, it can do so for up to four hours.