The appliance (10) has an electrical circuit for switching of energy storage devices (16,17) respectively connected in series with terminal contacts (35-38) of connecting terminals (33,34). A sum of power supply voltages of energy storage power supplies (U...

The suction device (10) has a suction motor (19) which is provided for generating the suction flow (20). A suction housing (11) is provided with the suction motor and dust collecting chamber (15) for collecting separate particles from the suction flow. A l...