A battery cell testing fixture is provided which includes a user interface, a separator assembly and an optional stand. The user interface includes a module for receiving input voltage data from at least one circuit to provide a variety of battery cell conditions. The separator assembly includes an integrated reference electrode or reference component. The separator assembly is operatively configured to be used with a plurality of test batteries in succession. The separator assembly may be operatively configured to communicate with a current collector, a meter and the user interface.