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With the technology of the environmentally conscious hand vacuum cleaner "Gueldi 05" the electricity from the socket is no longer needed. It's possible to hoover everywhere free from cables and sockets.The design of the solar charging station was derived from a maple seed and the design of vacuum cleaners from pleco.from the solar surface charged battery, is supported during hoovering by the wheel on the vacuum cleaner.The kinetic energy during hoovering is converted with the help of the wheel into electricity and extends the runnig time of the vacuum cleaner.The surplus electricity can be used through the USB slots for other products.