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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@MobiComm
Gordon, 10 years lifetime of a battery means you lost 33% due to self-discharge after 10 years @ 25 C. So after 10 years you only have 0.66 * 2500 = 1650mAh. So 10 years working is not a problem.
BUT: If your continues current drain is larger than your self-discharge you can ignore your self-discharge current. Self-discharge current is simply the result of a chemical reaction always taking place even if there is no load . If you do have a load current that is larger the self-discharge effect is much smaller than if you have no load at all.
Paul.