Also known as primary lithium batteries. Continuous discharge, or intermittent discharges. When the power runs out can no longer be used, now widely used in cameras and other electronic products with low power consumption. Lithium primary battery self-discharge is very low, can be stored for 3 years at a time, kept in cold conditions, the effect will be better. Lithium primary batteries stored in a cool place, it is still a good idea. Note: lithium primary batteries and lithium-ion battery, lithium primary battery will not charge, charge very dangerous!