Abstract: An electric marine propulsion system is configured to propel a marine vessel and comprises a lithium ion (LI) battery, a marine drive having an electric motor powered by the LI battery, and a user input device configured to receive a user input selected an emergency depletion mode. The system further includes a controller configured to determine a battery charge level for the LI battery and reserve a minimum charge level of the LI battery associated with a normal operating area for the LI battery by ceasing power delivery from the LI battery to the marine drive once the battery charge level reaches the minimum charge level. In response to selection of the emergency depletion mode, power is delivered from the LI battery to the marine drive when the battery charge level is below the minimum charge level.

Abstract: A fast charging station for a marine vessel battery on a marine vessel is provided. The fast charging station includes a dock battery, a charger that is operatively coupled to a power source and the dock battery, and an enclosure located on a dock structure in a body of water. The enclosure is configured to encapsulate the dock battery and the charger. The charger is configured to charge the dock battery using the power source when the marine vessel is not docked to the dock structure. The charger is further configured to charge the marine vessel battery using the power source and the dock battery when the marine vessel is docked to the dock structure.

Abstract: A marine battery system configured to provide energy to a marine vessel load is provided. The marine battery system includes a main enclosure body and an auxiliary enclosure body that is detachably coupled to the main enclosure body to define a sealed battery volume. The auxiliary enclosure body is configured to perform a pressure accommodation action responsive to an increase in a temperature within the sealed battery volume. The marine battery system further includes a battery disposed within the sealed battery volume.

Abstract: A marine battery pack including a battery enclosure having an exterior and an interior defining a cavity, wherein the battery enclosure is configured to protect against water ingress into the cavity. The marine battery pack further comprises a plurality of cell modules within the cavity, each including a plurality of battery cells, and at least one exterior sensor on the battery enclosure configured to sense at least one of an exterior temperature, an exterior pressure, and a presence of water on the exterior of the battery enclosure. A controller is configured to identify a water exposure event based on the at least one of the exterior temperature, the exterior pressure, and the presence of water on the exterior of the battery enclosure. A water exposure response is then generated.

Abstract: A marine battery pack including an enclosure defining a cavity, a plurality of cell modules within the cavity, each comprising a plurality of battery cells, and at least one sensor configured to sense at least one of a temperature, a pressure, a presence of water, and a gas content within the cavity. A controller is configured to detect an event warranting decommission of the battery pack based on the temperature, the pressure, the presence of water, and/or the gas content within the cavity, and then to automatically operate a pump to intake water from outside of the enclosure and pump water through the cavity from an inlet port in the enclosure to an outlet port in the enclosure so as to cool the plurality of battery cells.

Abstract: A power storage system for a marine vehicle is provided. The power storage system includes marine battery systems configured to provide energy to a marine vehicle load. Each marine battery system includes a battery and a three-position contactor configured to operate the marine battery system in one of a connected state, a disconnected state, or a bypass state. The power storage system further includes a controller coupled to each of the marine battery systems. The controller is configured to retrieve a preferred fault action for the marine battery systems, and in response to detection of a fault condition in the marine vehicle, control at least one three-position contactor of the marine battery systems according to the preferred fault action. The preferred fault action includes operating the marine battery system in the disconnected state or operating the marine battery system in the bypass state.

Abstract: A variable voltage charging system for a vehicle includes an alternator operatively connected to an engine and configured to alternately output at least a low charge voltage to charge a low voltage storage device and a high charge voltage to charge a high voltage storage device. A switch is configured to switch between connecting the alternator to the low voltage storage device and connecting the alternator to the high voltage storage device. A controller is configured to control operation of the alternator and the switch between at least a low voltage mode and a high voltage mode. In the low voltage mode, the alternator outputs the low charge voltage and the switch is connecting the alternator to the low voltage storage device. In the high voltage mode, the alternator outputs the high charge voltage and the switch is connecting the alternator to the high voltage storage device.

Abstract: A marine battery system configured to provide energy to a marine vehicle load is provided. The marine battery system includes a battery, an enclosure configured to at least partially encapsulate the battery, a temperature sensor configured to detect temperature information within the enclosure, a pressure sensor configured to detect pressure information within the enclosure, and a controller coupled to the temperature sensor and the pressure sensor. The controller is configured to receive the temperature information from the temperature sensor, receive the pressure information from the pressure sensor, determine whether an enclosure breach condition has occurred based on a comparison of the temperature information and the pressure information, and in response to a determination that the enclosure breach condition has occurred, perform an enclosure breach mitigation action.

Abstract: A fast charging station for a marine vessel battery on a marine vessel is provided. The fast charging station includes a dock battery, a charger that is operatively coupled to a power source and the dock battery, and an enclosure located on a dock structure in a body of water. The enclosure is configured to encapsulate the dock battery and the charger. The charger is configured to charge the dock battery using the power source when the marine vessel is not docked to the dock structure. The charger is further configured to charge the marine vessel battery using the power source and the dock battery when the marine vessel is docked to the dock structure.

Abstract: A remote control system for a marine vessel includes a helm transceiver positioned on the marine vessel and configured to communicate with one or more fobs, and at least one operator fob configured to wirelessly transmit a fob signal to the helm transceiver on the marine vessel. A controller is configured to receive the fob signal transmitted by the operator fob and to determine an operator distance based on the fob signal. The operator distance is compared with one or more threshold distances, and then a system command is generated based on the comparison of the operator distance to the one or more threshold distances so as to control operation of one or more devices on the marine vessel.

Abstract: A marine AC generator system includes a marine generator driven by an internal combustion engine and configured to generate an AC current and a rectifier configured to rectify the AC current to provide a DC current. At least one battery is configured to receive and be charged by the DC current. A battery powered inverter is configured to be powered by the at least one battery and to generate a variable current output frequency such that an AC electrical power is provided to a load when the marine generator is not running.

Abstract: A marine propulsion system includes an engine effectuating rotation of an output shaft, a battery, an alternator having a rotor driven into rotation by the output shaft and that is configured to generate a charge output to the battery, a battery state of charge sensor configured to measure a battery charge value of the battery, and a control system. This control system is configured to receive a demand value and/or a temperature, receive the battery charge value from the battery state of charge sensor; and control the alternator to adjust the charge output based on at least one of the battery charge value and the demand value and/or temperature.

Abstract: A remote control system for a marine vessel includes at least one fob and a configuration control system configured to detect available devices on the marine vessel to be controlled remotely for the marine vessel, generate a list of available functions for at least one user-selectable fob command based on the detected available devices, present the list of available functions to the user via a fob configuration user interface such that the user can select one or more functions in the list of available functions, identify a system command associated with each selected function so as to configure a set of system commands based on the user-selected functions, and store the user-configured set of system commands in association with the fob identification and the selected fob command. The system further includes a helm transceiver module to effectuate activation/deactivation of the available devices based on the user-configured set of system commands.

Abstract: A wireless lanyard system for a marine vessel propelled by at least one propulsion device, the system comprising an operator fob configured to be worn by an operator of the marine vessel, a helm transceiver configured to receive radio signals from the operator fob an a controller. The controller is configured to define a permitted zone with respect to a helm area of the marine vessel based on at least one vessel condition, determine based on communications between the operator fob and the helm transceiver whether the operator is within the permitted zone with respect to the helm area, and generate a lanyard event when the operator is not within the permitted zone.

Abstract: A remote control system for a marine vessel includes at least one fob communicating with a helm transceiver module on the vessel. The fob has at least two user inputs, each associated with a different user-selectable fob command, wherein the fob is configured to wirelessly transmit a fob identification and a selected fob command in response to user selection of a user input. The helm transceiver module is configured to store unique fob identifications for permitted fobs and a set of system commands for each user-selectable fob command for each fob identification, wherein the set of system commands are configurable by a user. Upon receipt of the fob identification and the selected fob command, the helm transceiver module verifies that the fob identification is associated with one of the permitted fobs and identifies the user-configured set of system commands associated with the selected fob command and the fob identification.

Abstract: A variable voltage charging system for a vehicle includes an alternator operatively connected to an engine and configured to alternately output at least a low charge voltage to charge a low voltage storage device and a high charge voltage to charge a high voltage storage device. A switch is configured to switch between connecting the alternator to the low voltage storage device and connecting the alternator to the high voltage storage device. A controller is configured to control operation of the alternator and the switch between at least a low voltage mode and a high voltage mode. In the low voltage mode, the alternator outputs the low charge voltage and the switch is connecting the alternator to the low voltage storage device. In the high voltage mode, the alternator outputs the high charge voltage and the switch is connecting the alternator to the high voltage storage device.

Abstract: A method of operating a wireless lanyard system on a marine vessel having at least one propulsion device includes defining a permitted zone with respect to a helm area where an operator should occupy based on one or more conditions of the marine vessel. Generating a location inquiry signal by a helm transceiver at the helm area of the marine vessel, and receiving an operator location signal from an operator fob worn by the operator of the marine vessel in response to the location inquiry signal. The method further includes determining whether the operator is within the permitted zone with respect to the helm area based on the operator location signal, and generating a lanyard event when the operator is not within the permitted zone. Upon generation of the lanyard event, the propulsion device is controlled to reduce an engine RPM to an idle RPM or the propulsion device is turned off.

Abstract: A method of controlling an alternator in a marine propulsion system includes receiving a battery voltage level of a battery charged by the alternator, receiving a throttle demand value, determining whether the throttle demand value exceeds a demand threshold, and determining whether the battery voltage level exceeds a threshold minimum battery voltage. If the throttle demand value exceeds the demand threshold and the battery voltage level exceeds the threshold minimum battery voltage, then the alternator is controlled to reduce the charge current output to the battery and reduce engine output power utilized by the alternator.

Abstract: A method of operating a wireless lanyard system on a marine vessel having at least one propulsion device includes defining a permitted zone with respect to a helm area where an operator should occupy based on one or more conditions of the marine vessel. Generating a location inquiry signal by a helm transceiver at the helm area of the marine vessel, and receiving an operator location signal from an operator fob worn by the operator of the marine vessel in response to the location inquiry signal. The method further includes determining whether the operator is within the permitted zone with respect to the helm area based on the operator location signal, and generating a lanyard event when the operator is not within the permitted zone. Upon generation of the lanyard event, the propulsion device is controlled to reduce an engine RPM to an idle RPM or the propulsion device is turned off.

Abstract: A vessel control system for a marine vessel propelled by at least one propulsion device includes a wireless lanyard system including at least one fob worn by an individual on the marine vessel and a helm transceiver at a helm area of the marine vessel configured to receive radio signals from the at least one fob. A controller is configured to detect, based on communications between each of the at least one fob and the helm transceiver, that each of the at least one fob is present on the marine vessel. A missing fob is detected if at least one of the fobs is no longer detected at the helm transceiver, and then a man overboard event is generated. The vessel control system is configured to automatically activate one or more search assistance functions based on the man overboard event.