Solar Fountain with Battery： This solar fountain pump comes with built-in battery, which meanes it can store electricity while working. When cloudy or sunlight become weak , it still works. Specification: Battery power: 10V, 1.5W Size of solar panel: 180*25mm Battery type: rechargeable Li-ion, 7.4V, 600mAh Pump power: 7V, 1.1W Max flow of pump: 160L/h Max lift of pump: 100cm Max water height: 30-50cm Package Includes: 1 x Solar Fountain 1 x A pouch of fittings (Nozzles inside) 1 x User Manual Tips&Attention : 1.Please make sure the solar panel is under bright and unblocked sunlight. 2.Water should at least 1 inch (2.5 cm) deep and clean. 3.Clean the container and the pump regularly. Too much dirt may block to the pump. 4.Do not use the solar fountain in dirty or corrosive water. Change the water regularly.