The invention relates to a power supply (3) for a prosthesis (1), comprising at least one first (12) and one second power storage device (16) for storing electrical power, wherein, in a charging mode for charging at least the first power storage device (12), said first power storage device (12) is electrically connected to the second power storage device (16) in a first manner and, in a working mode for supplying the electrical power to a consumer, the first power storage device (12) is electrically connected to the second power storage device (16) in a second manner, wherein the first manner of connection differs from the second manner of connection.
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