A medical device , comprising: a battery ; memory to store program instructions; and device operational circuitry that includes at least one of a transceiver , circuitry or processor configured to execute the program instructions, the device operational circuitry configured to: identify an energy demand (ED) action to be performed by the device operational circuitry in connection with at least one of monitoring a medical characteristic of interest (COI), treating the medical COI, or wirelessly communicating with a separate device; obtain an energy consumption estimate for an amount of energy to be consumed by the device operational circuitry in connection with performing the ED action, characterized in that the medical device further comprises: a charge bank configured to store supplemental energy, wherein the device operational circuitry is further configured to: dispatch, based on the energy consumption estimate, a charge instruction to charge the charge bank from the battery with supplemental energy; and supply the supplemental energy, from the charge bank , to the at least one of the transceiver , circuitry or processor for performing the ED action in connection with the at least one of monitoring, treating or communicating operations. a battery ; memory to store program instructions; and device operational circuitry that includes at least one of a transceiver , circuitry or processor configured to execute the program instructions, the device operational circuitry configured to: identify an energy demand (ED) action to be performed by the device operational circuitry in connection with at least one of monitoring a medical characteristic of interest (COI), treating the medical COI, or wirelessly communicating with a separate device; obtain an energy consumption estimate for an amount of energy to be consumed by the device operational circuitry in connection with performing the ED action, characterized in that the medical device further comprises: a charge bank configured to store supplemental energy, wherein the device operational circuitry is further configured to: dispatch, based on the energy consumption estimate, a charge instruction to charge the charge bank from the battery with supplemental energy; and supply the supplemental energy, from the charge bank , to the at least one of the transceiver , circuitry or processor for performing the ED action in connection with the at least one of monitoring, treating or communicating operations. identify an energy demand (ED) action to be performed by the device operational circuitry in connection with at least one of monitoring a medical characteristic of interest (COI), treating the medical COI, or wirelessly communicating with a separate device; obtain an energy consumption estimate for an amount of energy to be consumed by the device operational circuitry in connection with performing the ED action, characterized in that the medical device further comprises: a charge bank configured to store supplemental energy, wherein the device operational circuitry is further configured to: dispatch, based on the energy consumption estimate, a charge instruction to charge the charge bank from the battery with supplemental energy; and supply the supplemental energy, from the charge bank , to the at least one of the transceiver , circuitry or processor for performing the ED action in connection with the at least one of monitoring, treating or communicating operations. dispatch, based on the energy consumption estimate, a charge instruction to charge the charge bank from the battery with supplemental energy; and supply the supplemental energy, from the charge bank , to the at least one of the transceiver , circuitry or processor for performing the ED action in connection with the at least one of monitoring, treating or communicating operations. <EOS>