Because in battery chemical reaction
Are constantly running when u are using your phone those chemical reaction are active .. energy is in normal state
But when u off the device for a long time the reserved energy or power losing there strength and +ion and -ion bonding not working. The energy become useless day by day ...
Its effect your device badly .. but if you want to turn off your device for a long time ... u can charge your phone any time in a week ..
Chemical ion become active and they do not lose there strength
Dear Samsung Member,
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To resolve your device battery drain issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-mobile-battery-drain-issue/
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