Patent ID: 9257859
Filing Date: 2016-02-09
CPC Classification: H02J

Claim Text:
1. A system comprising: a plurality of power units each configured to supply power; a network of contacts each configured to toggle an electrical connection, wherein the network is configured to supply power to a load, wherein the network of contacts comprises: a first plurality of contacts configured to toggle closed when the plurality of power units are to be connected in parallel or series; a second plurality of contacts configured to toggle closed when the plurality of power units are to be connected in parallel and to toggle open when the plurality of power units are to be connected in series; and a third plurality of contacts configured to toggle closed when the plurality of power units are to be connected in series and to toggle closed when the plurality of power units are to be connected in parallel; and a controller configured to control when each of the plurality of contacts toggle open or closed based at least in part on a determined demand for the load, a charge of each of the plurality of power units, and a power supplied by the plurality of power units, and wherein the controller is configured to toggle a fourth plurality of contacts to arrange the plurality of power units to reverse polarity with respect to the load to enable recharging of at least one of the plurality of power units.