You can clean your pool and help the environment at the same time. By using this robotic pool cleaner, you don’t need any electrical connection. Skimmer is solar powered that can recharge the battery during the day, in conclusion, you can use solar powered directly during the day, and use the battery power at night. The skimmer can also automatically dispense chemicals as it skims, and is so effective, according to the manufacturer, that the traditional pool pump is needed only half the time.
Source : SolarBreezeDirect