An electronic device comprising: an interface for receiving a battery, the battery having a battery module for supplying power to the electronic device; and a power management module coupled to the interface for receiving the battery the power management module configured to: measure a plurality of voltage responses of the battery due to current flow in the battery module, wherein each of the plurality of measured voltage responses of the battery corresponds to a different type of electrical response; compare each of the plurality of measured voltage responses of the battery to a corresponding reference voltage response, the corresponding reference voltage response being of the same type of electrical response as the measured response, the corresponding reference voltage response being selected from a plurality of reference voltage responses; and authenticate the battery for use with the electronic device, if a number of the plurality of measured voltage responses, each corresponding to a different type of electrical response, which successfully matches the corresponding reference voltage response, corresponds to a threshold minimum number of the plurality of reference voltage responses; and wherein the power management module is configured to measure at least one of the plurality of the voltage responses of the battery based on a charge differential relation of the battery module, the charge differential relation representing a rate of change of a charge capacity of the battery module with respect to a terminal voltage of the battery module. an interface for receiving a battery, the battery having a battery module for supplying power to the electronic device; and a power management module coupled to the interface for receiving the battery the power management module configured to: measure a plurality of voltage responses of the battery due to current flow in the battery module, wherein each of the plurality of measured voltage responses of the battery corresponds to a different type of electrical response; compare each of the plurality of measured voltage responses of the battery to a corresponding reference voltage response, the corresponding reference voltage response being of the same type of electrical response as the measured response, the corresponding reference voltage response being selected from a plurality of reference voltage responses; and authenticate the battery for use with the electronic device, if a number of the plurality of measured voltage responses, each corresponding to a different type of electrical response, which successfully matches the corresponding reference voltage response, corresponds to a threshold minimum number of the plurality of reference voltage responses; and wherein the power management module is configured to measure at least one of the plurality of the voltage responses of the battery based on a charge differential relation of the battery module, the charge differential relation representing a rate of change of a charge capacity of the battery module with respect to a terminal voltage of the battery module. measure a plurality of voltage responses of the battery due to current flow in the battery module, wherein each of the plurality of measured voltage responses of the battery corresponds to a different type of electrical response; compare each of the plurality of measured voltage responses of the battery to a corresponding reference voltage response, the corresponding reference voltage response being of the same type of electrical response as the measured response, the corresponding reference voltage response being selected from a plurality of reference voltage responses; and authenticate the battery for use with the electronic device, if a number of the plurality of measured voltage responses, each corresponding to a different type of electrical response, which successfully matches the corresponding reference voltage response, corresponds to a threshold minimum number of the plurality of reference voltage responses; and wherein the power management module is configured to measure at least one of the plurality of the voltage responses of the battery based on a charge differential relation of the battery module, the charge differential relation representing a rate of change of a charge capacity of the battery module with respect to a terminal voltage of the battery module.