An integrated fuel cell power delivery system, the system comprising: a first power source configured to supply power to a propulsion inverter; a second power source configured to supply power to the propulsion inverter; a disconnect operably connected to the second power source; a bypass diode operably connected to the first power source and the second power source, wherein the bypass diode and the disconnect selectively provides power to the propulsion inverter by at least one of the first power source or the second power source; a sensor that detects an output voltage output by the integrated fuel cell power system; a processor; a memory, which includes instructions stored thereon, which when executed by the processor, cause the integrated fuel cell power system to: access a first signal from the sensor; determine if the accessed first signal is greater than a first threshold voltage; and operably disconnect an output of at least one of the first power source or the second power source to the integrated fuel cell power system by the disconnect based on the determination; and an electronic voltage limiting device configured to selectively provide a load on at least one of the first power source or second power source; wherein the instructions, when executed by the processor, further cause the integrated fuel cell power system to: access the first signal from the sensor; determine if the accessed first signal is greater than a third threshold voltage; and selectively provide a load, by the electronic voltage limiting device, to at least one of the first power source or second power source based on the determination, wherein the voltage limiting device includes a calibrated load configured to load the output of the integrated fuel cell power system in a case where the output voltage exceeds the predetermined third threshold voltage. a first power source configured to supply power to a propulsion inverter; a second power source configured to supply power to the propulsion inverter; a disconnect operably connected to the second power source; a bypass diode operably connected to the first power source and the second power source, wherein the bypass diode and the disconnect selectively provides power to the propulsion inverter by at least one of the first power source or the second power source; a sensor that detects an output voltage output by the integrated fuel cell power system; a processor; a memory, which includes instructions stored thereon, which when executed by the processor, cause the integrated fuel cell power system to: access a first signal from the sensor; determine if the accessed first signal is greater than a first threshold voltage; and operably disconnect an output of at least one of the first power source or the second power source to the integrated fuel cell power system by the disconnect based on the determination; and access a first signal from the sensor; determine if the accessed first signal is greater than a first threshold voltage; and operably disconnect an output of at least one of the first power source or the second power source to the integrated fuel cell power system by the disconnect based on the determination; and an electronic voltage limiting device configured to selectively provide a load on at least one of the first power source or second power source; wherein the instructions, when executed by the processor, further cause the integrated fuel cell power system to: access the first signal from the sensor; determine if the accessed first signal is greater than a third threshold voltage; and access the first signal from the sensor; determine if the accessed first signal is greater than a third threshold voltage; and selectively provide a load, by the electronic voltage limiting device, to at least one of the first power source or second power source based on the determination,