This is, essentially, a perpetual motion machine. Such devices are unpatentatvle by the US patent office at least. RM > The claim by the person (an acquaintance of a friend) is > that a battery charger can be connected to the output of an > inverter to charge the battery that runs the inverter. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics