Abstract: The present disclosure is directed to a direct current aggregator including a plurality of battery strings having positive and negative terminals, a positive bus connected to a positive terminal of each of a plurality of battery strings and a negative bus connected to a negative terminal of each of a plurality battery strings. The direct current aggregator further including a switch associated with each positive terminal and each negative terminal of each of a plurality of battery strings, each switch capable of moving from a first open position to a second closed position, a fuse associated with each positive and negative terminal of each of a plurality of battery strings, and a controller in communication with each switch to place or remove one or more of the plurality of battery strings in electrical communication with the positive bus and the negative bus.