A solar fountain pump allows you to power your garden or pond fountain using solar or AC current and so you can enjoy it day and night. But when direct sunlight is blocked by clouds or a shadow, the built-in battery back-up kicks-in to power the solar fountain pump instead for uninterrupted flow (see accompanying chart; click on "additional views").Setting up a solar fountain pump is easy. Simply stake the separate solar panel into the ground where sunlight is most accessible. The Solar Fountain Pump also comes with a UL-listed AC transformer so you can power the solar fountain at night. The Solar Fountain Pumps have quiet brushless motors. Small AC/Battery/Solar Fountain Pump: 43-gallon-per-hour (GPH) output, maximum 27-1/2" lift, adjustable solar panel and battery in "rock" housing, for small fountains.Medium AC/Battery/Solar Fountain Pump: 118-GPH output, maximum 32" lift, adjustable solar panel on a stake, and battery in separate "rock", for large fountains.Large AC/Battery/Solar Fountain Pump: 131-GPH output, max. 51" lift, adjustable solar panel on a stake, and battery in separate "rock", for ponds.Solar Fountain Pumps are also available without battery back-up. Similar to solar fountain pumps above, but without the battery back-up feature.Small AC/Solar Fountain Pump: 33-gallon-per-hour (GPH) output, maximum 19" lift.Medium AC/Solar Fountain Pump: 130-GPH output, maximum 63" lift.Large AC/Solar Fountain Pump: 205-GPH output, maximum 79" lift.

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