A method for battery authentication includes, at a battery controller of a battery subsystem, measuring a test electrochemical impedance spectroscopy (EIS) response of one or more battery cells connected to the battery controller. The test EIS response is ...

[ABSTRACT] It is an object of the present invention to provide a diagnostic apparatus capable of sensing the connection of power storage stacks which should be prohibited from connection. [PROBLEM] A diagnostic apparatus for erroneous installation of power...

Disclosed herein, among other things, are methods and apparatus for detecting battery chemistry or battery type and reconfiguring a hearing assistance device based on the detected battery. One aspect of the present subject matter relates to a method of ope...