Streamlight lithium CR123A batteries are manufactured to stringent quality control standards, incorporating safety features which ensure they will not overheat in our high-performance flashlights. By using quality U.S. made lithium battery brands exclusively, Streamlight product users can be assured that they can operate their flashlight products safely at all times. Users should never misuse, short circuit, improperly store or discard, disassemble or heat any CR123 batteries above 212° F (100° C).