If your battery pack is becoming less efficient with each charge you can get replacement batteries here. This battery works only with these fountains listed below: Pitcher Cascade Solar on Demand Fountain (LH5500) Chelsea Solar on Demand Tow Tiered Birdbath Fountain (LH1016) Designer Tower Solar on Demand Fountain (TP1614) Gardens Solar on Demand Two Tiered Birdbath Fountain (LH1038) Monroe Cascade Solar on Demand Fountain- Terracota (TP628) Monroe Cascade Solar on Demand Fountain- White (TP628) Richfield Solar on Demand Two Tiered Birdbath Fountain (LH1037) *Sunnydaze Decor backs its products with a 1-year manufacturer's warranty for worry-free operation. About Sunnydaze Decor: Sunnydaze Decor is a manufacturer of quality home and garden products. We travel the globe to find the best most innovative and beautiful products. Our goal is to provide you with products that truly calm relax and bring peacefulness and beauty into your home both indoors and out. Our vast selection of indoor and outdoor fountains as well as our fire pits fire pit accessories hammocks hammock chairs and hammock stands will help make your home the epitome of calmness. Our talented designers create end products using a high-quality manufacturing process and materials that leave you the valued customer with a beautiful addition to your home.