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Created page with "==Introduction== The '''self-discharge rate''' is a term used to describe the rate at which a battery loses its charge when not in use. This is a critical parameter in battery technology, as it impacts the longevity and efficiency of the battery. The self-discharge rate is typically expressed as a percentage of the total capacity lost per month. Image:Detail-56490.jpg|thumb|center|A variety of batteries of different sizes and types.|class=onl..."