This American National Standard specifies tests and requirements for portable primary lithium cells and batteries@ both the chemical systems and the types covered in ANSI C18.3M@ Part 1@ to ensure their safe operation under normal use and reasonably foreseeable misuse. For reference@ the chemical systems standardized in ANSI C18.3M@ Part 1 are: Lithium carbon monofluoride Lithium manganese dioxide Lithium iron disulfide