A reconfigurable power system, comprising: a DC power source; an electrical energy storage device; an AC power grid connection; a first power converter comprising a plurality of converter circuits and configured to: selectively couple the DC power source to the electrical energy storage device, selectively couple the DC power source to the AC power grid connection, and selectively couple the electrical energy storage device to the AC power grid connection; and a second power converter configured to selectively couple the electrical energy storage device to at least one of the DC power source and the first power converter, wherein the second power converter is configured as a DC-DC converter, characterized in that: the first power converter is operable in a first mode in which a first switch and a second switch are closed to provide a first closed circuit path between the DC power source and the electrical energy storage device, the first closed circuit path including a switching device of one of the converter circuits and an inductor coupled with said switching device, and the first power converter is operable in a second mode in which: the first switch is opened, the second switch and a third switch are closed to provide a second closed circuit path between the DC power source and the electrical energy storage device, the second closed circuit path including the second power converter. a DC power source; an electrical energy storage device; an AC power grid connection; a first power converter comprising a plurality of converter circuits and configured to: selectively couple the DC power source to the electrical energy storage device, selectively couple the DC power source to the AC power grid connection, and selectively couple the electrical energy storage device to the AC power grid connection; and selectively couple the DC power source to the electrical energy storage device, selectively couple the DC power source to the AC power grid connection, and selectively couple the electrical energy storage device to the AC power grid connection; and a second power converter configured to selectively couple the electrical energy storage device to at least one of the DC power source and the first power converter, wherein the second power converter is configured as a DC-DC converter, characterized in that: the first power converter is operable in a first mode in which a first switch and a second switch are closed to provide a first closed circuit path between the DC power source and the electrical energy storage device, the first closed circuit path including a switching device of one of the converter circuits and an inductor coupled with said switching device, and the first power converter is operable in a second mode in which: the first switch is opened, the second switch and a third switch are closed to provide a second closed circuit path between the DC power source and the electrical energy storage device, the second closed circuit path including the second power converter. the first power converter is operable in a first mode in which a first switch and a second switch are closed to provide a first closed circuit path between the DC power source and the electrical energy storage device, the first closed circuit path including a switching device of one of the converter circuits and an inductor coupled with said switching device, and the first power converter is operable in a second mode in which: the first switch is opened, the second switch and a third switch are closed to provide a second closed circuit path between the DC power source and the electrical energy storage device, the second closed circuit path including the second power converter.