Patent ID: 8457819

Claim:
A non-transitory computer readable medium having computer instructions stored thereon for operating a vessel, wherein the computer instructions comprise: a. computer instructions for monitoring a DC power source, wherein the DC power source comprises a plurality of battery cells, and wherein monitoring the DC power source includes acquiring a charge on each battery cell of the plurality of battery cells and maintaining a state of charge of each battery cell of the plurality of battery cells within a preset limit of one another; b. computer instructions for determining a most efficient power source to power the vessel; c. computer instructions for controlling an AC power source to allow transfer of power solely from the DC power source to power the vessel, transfer of power solely from the AC power source to power the vessel; or transfer of power from both the AC power source and the DC power source to power the vessel; d. computer instructions to determine when the DC power source is at a predetermined level; and e. computer instructions for controlling auxiliary devices of the vessel.