4.5 volt battery pack is provided by interconnection of three 1.5 volt batteries within a housing

摘要

The battery pack has a cylindrical base [2] which is sized to receive three batteries [1]. Built into the base are contacts that allow 1.5 Volt batteries to be connected in series so as to generate a 4.5 volt output. External connection terminals [31,32] are mounted on the cover [3].